Cullumber Corporation makes a mechanical stuffed alligator. The following information is available for Cullumber Corporation's expected annual volume of 500,000 units: Per Unit Total Direct materials $10 Direct labour 8 Variable manufacturing overhead 15 Fixed manufacturing overhead $325,000 Variable selling and administrative expenses 6 Fixed selling and administrative expenses 175,000 The company has a desired ROI of 40%. It has invested assets of $24,600,000. (a) Your answer is correct. Calculate the total cost per unit. (Round answer to 2 decimal places, e.g. 15.25.) Total cost per unit $ 40 e Textbook and Media Attempts: 1 of 3 used (b) Calculate the desired ROI per unit. (Round answer to 2 decimal places, e.g. 15.25.) Desired ROI per unit $