9. Help please

At the end of the current year, the accounts recervable account has a dehit balance of $1,321,000 and sales for the year total $18,500,000,0d, 1 rmine the amount of the adjusting entry to provide for doubtful accounts under each of the following assumptions: a. The allowance account before adjustment has a debit batance of $9,000. Bnd debt expense is estimated at 1/2 of 195 of sales. b. The allowance account before adyustment has a debit balance of $9,000. An aging of the accounts in the customer ledger indicates estimated doubaful accounts of $19,310. c. The allowance account before adjustment has a credit balance of $5,300. Bad debt expense is estimated at 3/4 of 1% of sales. d. The allowance account before adjustment has a credit balance of $5,300. An aging of the accounts in the customer ledger indicates estimated doubthil accounts of $44, coo. This information tias been collected in the Microsoft Excel Ontane file. Open the spreadsheet, perform the required analysis, and input your answers in the questions below. Round your answers to the nearest dollar. a. \$ b. \$ c. \$ d. \$