Cleaning Service Company's Trial Balance on December 31, 2020 is as follows: Account name Debit Credit Cash 700 Supplies 3,000 Pre-paid insurance 800 Pre-paid office rent 700 Equipment 29,000 Accumulated depreciation - Equipment 7,000 Accounts payable 2,800 Unearned service revenue 500 Share capital - Ordinary 5,800 Retained earnings 2,100 Dividend 3,000 Service revenue 25,000 Salary expense 6,000 Total 43,200 43,200 Required: 1. Com up with 02 adjusting transactions for pre-paid expenses, 01 transaction for unearned revenue, 01 transaction for accrued revenue and 01 transaction for depreciation expense and 01 transaction for accrued expense on 31 Dec, 2020. (These transactions are given by yourself with reasonable numbers): Prepare adjusted trial balance 2. Prepare Income Statement, Statement of Retained Earnings and Statement of Financial Position for December, 2020. Why are adjutsing entries needed