Please answer both questions a and b. Thanks in advance...Plagiarism free.

Part A: Fixed and Variable Cost Stuart Manufacturing produces metal picture frames. The company's income statements for the last two years are given below: The company has no beginning or ending inventories. 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