explanation please! thanks.

Required information [The following information applies to the questions displayed below.] Ramirez Company is completing the information processing cycle at its fiscal year-end on December 31. Following are the correct balances at December 31 for the accounts both before and after the adjusting entries. Debit Trial Balance, December 31 of the Current Year Before Adjusting Entries Adjustments Items Debit Credit Debit Credit a. Cash 13,500 b. Accounts receivable c. Prepaid insurance 850 d. Equipment 168, 280 e. Accumulated depreciation, equipment 42,100 f. Income taxes payable g. Common stock and additional paid-in capital 112,000 h. Retained earnings, January 1 19,600 i. Service revenue 64,400 j. Salary expense 55, 470 k. Depreciation expense 1. Insurance expense m. Income tax expense 238,100 238,100 After Adjusting Entries Credit 13,500 1,820 720 168,280 48,100 1,155 112,000 19,600 66,220 55, 470 6,000 130 1,155 247,075 247,075 5. Record the closing entry at December 31 of the current year. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) View transaction list Journal entry worksheet Record closing entry to transfer revenues and expenses to retained earnings. Note: Enter debits before credits. Credit Transaction 1 General Journal Service revenue Debit 66,220 130 1,155 Insurance expense Income taxes expense Salary expense Depreciation expense 55,470 6,000 Record entry Clear entry View general Journal