Irvine Corporation's fiscal year-end is December 31, 2024. The following is a partial adjusted trial balance as of December 31. Accounts Debit Credit Retained Earnings $13,000 Dividends $1,300 Service Revenue 33,000 Interest Revenue 4,300 Salaries Expense 13,300 Rent Expense 4,300 Advertising Expense 1,300 Insurance Expense 9,300 Interest Expense 3,300 Required: 1. Prepare the necessary closing entries. 2. Calculate the ending balance of Retained Earnings