Journal Entries for Credit Losses

At the beginning of the year, Portal Company had the following accounts on its books:

The following transactions, among others, occurred during the year:

a. Prepare journal entries to record the credit sales, the collections on account, and the preceding transactions and adjustment.b. Show how Accounts Receivable and the Allowance for Doubtful Accounts would appear on the December 31 balance sheet.a.

b.