Dec 31, 2021 Dec 31, 2020 Interest Receivable $6,300 S -0- Supplies 5,000 3,500 Wages Payable 3,600 3,800 Unearned Revenue 4.000 The income statement for 2021 shows the following: Interest Revenue $20,400 Service Revenue 41,700 Supplies Expense 8,700 Wages Expense I 37,000 Instructions Calculate the following for 2021: a) Cash received for interest. b) Cash paid for supplies. c) Cash paid for wages. d) Cash received for services