6 Chapter 3 WileyPLUS Homework Question 4 of 9 - / 2 '5 View Policies Current Attempt in Progress Linda Williams owns and operates Cullumber, a bakerythat creates personalized birthday cakes for a child's rst birthday. The cakes, which sell for $60 and feature an edible picture ofthe child, are shipped throughout the country. Atypical month's results are as follows: Sales revenue $984,000 Variable expenses 541,200 Contribution margin 442,800 Fixed expenses 232,200 Operating income $ 210,600 (a) What is Cullumber's contribution margin per unit? Contribution margin per unit $ per cake eTextbook and Media Save for Later Attempts: 0 of 3 used (b) The parts of this question must be completed in order. This part will be available when you complete the part above. (C) The parts of this question must be completed in order. This part will be available when you complete the part above. (d) The parts of this question must be completed in order' This part will be available when you complete the part above