Chapter 03 - Cost Behaviour: Analysis and Use Amazing Manufacturing produces metal picture frames. The company's income staternents for the last two years are presented below: Last year This year Units sold Sales Less: Cost of goods sold Gross margin Less: Operating expenses Net income 50,000 $800.000 550.000 250,000 150,000 $100,000 70,000 $1,120.000 710,000 410,000 190.000 $220,000 The company has no beginning or ending inventories. All activity in this problem is in the relevant range Required: a Estimate the company's total variable cost per unit, and its total fixed costs per year (Remember that this is a manufacturing firm.) b. Compute the company's contribution margin for this year