3. Josh Products manufactures laser printers within a relevant range of production of 20,000 to 50,000 printers per year. The following partially completed manufacturing cost schedule has been prepared: Number of Printers Produced 20,000 40,000 50,000 (d) Total costs: Total variable costs Total fixed costs Total costs $360,000 600,000 $960.000 CES Cost per unit: Variable cost per unit Fixed cost per unit Total cost per unit Complete the preceding cost schedule, identifying each cost by the appropriate letter (a) through (o)