Please answer part a and part B of question one

If the estimate of uncollectibles is made by taking 10% of gross account receivables, and the balance in accounts receivable is 43,000 and allowance for doubtful accounts has a debit balance of 760 , the amount of the adjustment is a. $3,540. b. $4,300. c. $4,224. d. $5,060. If the estimate of uncollectibles is made by taking 10% of gross account receivables, and the balance in accounts receivable is 43,000 and allowance for doubtful accounts has a credit balance of 760 , the amount of the adjustment is a. $3,540. b. $4,300. c. $4,224. d. $5,060