Defining Allocation Proportions in D365 Finance

MB-310 By islever Editorial Last updated

Configure ledgers and currencies

Short answer

B Use the Fixed weight allocation method to manually define how and in what proportion source amounts are distributed to destination lines.

Question

A company plans to create a new allocation rule for electric utilities expenses.
The allocation rule must meet the following requirements:
✑ Distribute overhead utility expense to each department.
✑ Define how and in what proportion the source amounts must be distributed on various destination lines.
You need to configure the allocation rule.
Which allocation method should you use?
  1. Distribute the source document amount equally
  2. Fixed weight Correct Answer
  3. Equally
  4. Basis

Key Takeaways

This question tests the difference between manually defining allocation proportions (Fixed weight) and dynamically calculating them based on ledger balances (Basis); the trap is assuming the word 'proportion' automatically points to the Basis method.

Configuring ledger allocation rules in Dynamics 365 Finance requires selecting the correct method to distribute overhead expenses. This page establishes that Fixed weight is the correct allocation method when you must manually define the proportion of source amounts distributed to destination lines.

Common mistake: Choosing Basis (D) because its Microsoft documentation mentions the word 'proportion,' even though Basis derives proportions dynamically from ledger balances rather than allowing the user to define them directly on destination lines.

Expert Analysis

Why the Answer Is Correct

Fixed weight (and Fixed percentage) allows the user to manually define the exact proportion or weight for each destination line directly within the allocation rule. The requirement explicitly states to "Define how and in what proportion," indicating a static, user-defined distribution rather than a variable one calculated by the system. Therefore, Fixed weight perfectly satisfies the requirement to manually specify the distribution proportions for the overhead utility expenses.

Why the Other Options Are Wrong

Equally (C) and Distribute the source document amount equally (A) divide the source amount evenly among all destinations, without allowing you to define varying proportions. Basis (D) is a variable method where the system calculates the allocation proportion dynamically based on actual ledger balances (like departmental sales); you define the basis query, not the final distribution proportion itself.

Community Comment Notes

The community is divided, with some users selecting Basis because the documentation uses the word "proportion" when describing dynamic ledger balance allocations. However, as one user pointed out, "The only options where you can specify what proportion... is Fixed weight and Fixed percentage" because Basis relies on ledger balances rather than user-defined proportions. Another user noted the frustration that "any allocation method will be a proportion," making the question's wording tricky.

Official Reference

https://docs.microsoft.com/en-us/dynamics365/finance/general-ledger/ledger-allocation-rules

This link opens the official vendor documentation in a new tab.

Exam Strategy

Pay close attention to verbs like 'define' or 'specify' in allocation requirements. If you must manually set the percentages or weights, choose Fixed weight or Fixed percentage; if the system must calculate proportions dynamically from ledger balances, choose Basis.

Community Votes

B
62%
C
16%
D
22%

62% of anonymous learners picked answer B. Votes are pick records left by other test-takers — they are not the verified answer.

Discussion 28 contributions

Compiled from public community threads and reader submissions, lightly edited for clarity. Handles and vote tallies are shown as recorded, and comments reflect the views of individual contributors.

From public community threads 28

  1. denilson16 👍 6 Answered B
    B is correct. fixed weight (and fixed percentage if it was in the list of answers..)
  2. Adbroonen 👍 3
    The link does not prove that D is the right answer. The only options where you can specify what proportion the source amounts must be distributed on various destination lines is Fixed weight and Fixed percentage. Given that fixed percentage is not an option and Fixed weight is, then the answer has to be B. Basis allocates based on ledger balances on GLs that you specify in Source. You cannot specify the proportions like you can with Fixed weight.
  3. saadnadir 👍 3
    Correct Answer B : Fixed percentage and Fixed weight – For these methods, the allocation percentage or weight is defined directly for the rule. For example, advertising expenses can be allocated so that Department A receives 70 percent of the advertising expense and Department B receives 30 percent. Ref : https://docs.microsoft.com/en-us/dynamics365/finance/general-ledger/ledger-allocation-rules
  4. H_Incandenza 👍 3
    I agree with you, but I hate that I agree with you. I know that to make heads or tails you have to read the documentation very closely, and I know that it is logical that, because the docs use the word "proportion" when describing Basis, that that is a clue. However, it goes without saying that any allocation method will be a proportion. Just a really poorly worded question.
  5. vm7891 👍 3
    D is the right answer. Verified below https://docs.microsoft.com/en-in/learn/modules/configure-ledger-allocations-accruals-dyn365-finance/3-ledger-allocation-rule
Show 23 more comments
  1. sadiq_d365 👍 3
    B seems correct now
  2. Suzemagooze 👍 2
    I believe B is correct, from the source document "Fixed weight – For these methods, the allocation percentage or weight is defined directly for the rule. For example, advertising expenses can be allocated so that Department A receives 70 percent of the advertising expense and Department B receives 30 percent." All of the types have the Destination Component that lets you separate into lines. The only difference with Basis is that you can base amounts off of leger balances, which is not mentioned in the question.
  3. Danny1989 👍 2
    I think D, "Basis – This variable method is used when the allocation depends on the actual ledger balance, based on filter criteria. For example, advertising expenses can be allocated based on each department's sales in proportion to the total departmental sales"
  4. Freesia 👍 2 Answered D
    D. Basis This variable method is used when the allocation depends on the actual ledger balance, based on filter criteria. For example, advertising expenses can be allocated based on each department's sales in proportion to the total departmental sales.
  5. BenLearn 👍 2
    D. Basis is indeed correct It is all about the word 'proportion' https://docs.microsoft.com/en-us/dynamics365/finance/general-ledger/ledger-allocation-rules
  6. Zimkita 👍 2 Answered D
    Allocation depends on the actual ledger balance, in proportion. The requirement mentions "what proportions " and .....
  7. globeearth 👍 1 Answered D
    The requirement emphasizes the need to “define how and in what proportion” the source amounts are distributed, suggesting flexibility in determining the allocation logic. Utility expenses like electricity are often allocated based on measurable criteria (e.g., square footage, number of employees, or meter readings), which may vary over time or require data-driven calculations. The Basis method is better suited for such scenarios, as it allows the company to define a dynamic criterion (e.g., square footage or headcount) and automatically calculate proportions based on that data. Fixed weight could work if the company has fixed, unchanging proportions, but the requirement’s focus on defining proportions flexibly aligns more closely with Basis, especially for utility expenses where allocations often depend on variable factors.
  8. Indzitis 👍 1 Answered D
    Base on describtion in MS documentation: https://docs.microsoft.com/en-us/dynamics365/finance/general-ledger/ledger-allocation-rules, and way how question is created, I think D ir correct answer since this is definition of "Basis" allocation rule: This variable method is used when the allocation depends on the actual ledger balance, based on filter criteria. For example, advertising expenses can be allocated based on each department's sales in proportion to the total departmental sales.
  9. Kozlovsky 👍 1 Answered B
    "Fixed percentage and Fixed weight – For these methods, the allocation percentage or weight is defined directly for the rule. For example, advertising expenses can be allocated so that Department A receives 70 percent of the advertising expense and Department B receives 30 percent."
  10. erin1320 👍 1 Answered D
    I believe D is the correct answer. Destination – This component defines how the result of the allocation calculation should be distributed and accounted for. For example, there can be one destination line for each department.
  11. mklentek 👍 1
    I don't believe that they are, as they are listed in parallel as different allocation methods. That said, D is still right. Basis is like a proportionality that varies depending on actual ledger balance
  12. Albbia 👍 1 Answered D
    The Basis method allows you to define specific proportions or percentages for how the source amounts should be distributed across various destination lines, which aligns perfectly with your needs.
  13. H_Incandenza 👍 1
    D It's not that "B" is wrong; it's a really poorly worded question. In practice you would usually use basis, or just skip the Allocation Rules altogether and use a Periodic entry.
  14. SefaK 👍 1
    Question said "what proportion the source amounts must be distributed on various destination lines." So, it must be Fixed weight or percentege. B
  15. angie97 👍 1 Answered B
    https://learn.microsoft.com/en-us/dynamics365/finance/general-ledger/ledger-allocation-rules
  16. AsiaF 👍 1 Answered D
    As the others don't fit and the question is a bit oddly structured, D is correct.
  17. Hdodrod 👍 1 Answered D
    D as it aligns with the D365 product documentation
  18. Prithv 👍 1
    A & B are also correct answers here IMO
  19. SefaK 👍 1
    Okay, now I understand :), It's D.
  20. Rayhan83 👍 1 Answered D
    Final verdict guys? B or D?
  21. vm7891 👍 1
    ABC are types of Basis (D)
  22. sadiq_d365 👍 1
    D seems correct
  23. AQJ 👍 1 Answered D
    D is correct

Reader comments & corrections

No reader corrections yet — spotted an error or have a note? Share it below.

Log in to comment, report an error, or add a note about this question.

Implementing Advanced Bank Reconciliation in Dynamics 365 Finance

S-grade

Dynamics 310 Year-End Close Configuration Error

S-grade

Managing Module Access in Closed Periods via Ledger Calendar

S-grade

Revenue Recognition Reallocation Characteristics in D365 Finance

A-grade

Practice All MB-310 Questions

Access 100 questions with complete answers and detailed explanations.

View Full MB-310 Practice Test →

← Back to MB-310 Study Guide