Mazie Supply Co. uses the percent of accounts receivable method. On December 31, it has outstanding accounts receivable of $90,000, and it estimates that 2% will be uncollectible. Prepare the year-end adjusting entry to record bad debts expense under the assumption that the Allowance for Doubtful Accounts has:

1. (a) a $1,530 credit balance before the adjustment.

2. (b) a $450 debit balance before the adjustment.