this is my homework and i'm super confused :(

On December 31 of the current year, a company's unadjusted trial balance revealed the following: Accounts Receivable of $575,000; Sales Revenue of $2,367,000 which consists of Cash Sales of $1,025,000 and Credit Sales of $1,342,000); and Allowance for Doubtful Accounts of $7,500 (credit balance). Prepare the adjusting journal entry to record the estimate for bad debts assuming: 1. 6% of the Accounts Receivable balance is to be uncollectible. 2. Bad Debts Expense is estimated to be 2.5% of credit sales. 3. Prepare the entry to write off a $2,400 Account Receivable on January 1 of the next year. 4. There should be three entries that you will record on the general journal. When finished upload your general journal to this