The Balance of Allowance for Doubtful Accounts Prior to Making

The balance of Allowance for Doubtful Accounts prior to making the adjusting entry to record estimated uncollectible accounts

A) is relevant when using the percentage of receivables basis.
B) is relevant when using the direct write-off basis.
C) is relevant to both bases of adjusting for uncollectible accounts.
D) will never show a debit balance at this stage in the accounting cycle.