2020 50000 2019 40000 2018 25000 Units Sales Cost of goods sold $100,000 40,000 $80000 32.000 $50000 20000 Gross margin Advertising expense Depreciation expense 60,000 6000 8000 48,000 6000 8000 30000 6000 8000 Office supplies expense Rent expense Utilities expense 2500 15000 15000 46500 $13500 2000 1250 15000 15000 13000 10000 44000 40250 $4000 $(10250) Net income Required: ALL CALCULATIONS MUST BE SHOWN FOR THE YEAR ENDED 2020 1) Identify the costs as fixed, variable or mixed. 2) Separate any mixed costs into its components using the high/low method. 3) Prepare a schedule that shows the per unit and total variable cost and the total fixed costs for 2020