This MB-920 practice question tests your understanding of describe dynamics 365 finance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company's finance team reports that in the general ledger, the balance for the 'Office Supplies' account shows a credit balance of $500, but they expected a debit balance. What is the most likely cause of this discrepancy?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
The period close process was run without finalizing
Why wrong: Why B is wrong
A voucher was posted with the wrong debit/credit sign
Why C is correct
A reversing entry was posted incorrectly
Why wrong: Why A is wrong
A financial dimension was incorrectly assigned
Why wrong: Why D is wrong
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
A voucher was posted with the wrong debit/credit sign
In Dynamics 365 Finance, the general ledger account for 'Office Supplies' is an expense account, which normally carries a debit balance. A credit balance indicates that a voucher was posted with the wrong debit/credit sign, such as entering a negative amount or selecting the wrong account type during transaction entry. This is the most common cause of a balance sign reversal in an expense account.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
The period close process was run without finalizing
Why it's wrong here
Why B is wrong
A voucher was posted with the wrong debit/credit sign
Why this is correct
Why C is correct
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
A reversing entry was posted incorrectly
Why it's wrong here
Why A is wrong
A financial dimension was incorrectly assigned
Why it's wrong here
Why D is wrong
Common exam traps
The trap here is that candidates may confuse a balance sign error with a period close or reversing entry issue, but the direct cause is always a posting error in the voucher's debit/credit sign.
Detailed technical explanation
In Dynamics 365 Finance, each main account has a 'Normal Balance' property (Debit or Credit) that determines how transactions affect the account. When a voucher is posted, the system validates the debit/credit sign against this property, but manual entry errors (e.g., entering a negative amount in a debit field) can override this. A real-world scenario is when a user accidentally posts a vendor invoice as a credit memo, causing the expense account to show a credit balance instead of a debit.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
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FAQ
Describe Dynamics 365 Finance — This question tests Describe Dynamics 365 Finance — Read the scenario before looking for a memorised answer..
The correct answer is: A voucher was posted with the wrong debit/credit sign — In Dynamics 365 Finance, the general ledger account for 'Office Supplies' is an expense account, which normally carries a debit balance. A credit balance indicates that a voucher was posted with the wrong debit/credit sign, such as entering a negative amount or selecting the wrong account type during transaction entry. This is the most common cause of a balance sign reversal in an expense account.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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