Activity (Cost) Cost Driver Machine maintenance ($360,000) Number of machine hours Setups ($780,000) Number of setups Packing $196,000) Number of cartons Photo development ($512,000) Number of pictures Type of Textbook Deluxe Moderate Economy 300 900 1,200 15 10 50 70 3,800 1,800 800 40 20 Deluxe textbooks are made with the finest-quality paper, six-color printing, and many photographs. Moderate texts are made with three colors and a few photographs spread throughout each chapter. Economy books are printed in black and white and include pictures only in chapter openings. Required a. Sheridan currently allocates all overhead costs based on machine hours. The company produced the following number of books during the prior year: Deluxe 60,000 Moderate 180,000 Economy 240,000 Determine the overhead cost per book for each book type b. Determine the overhead cost per book, assuming that the volume-based allocation system described in Requirement a is replaced with an activity-based costing system. (For all requirements, round your answers to 2 decimal places.) Deluxe Moderate Economy a. b. Cost per book (volume-based allocation) Cost per book (activity-based costing)