Isadore's Implements, Inc., manufactures pens and mechanical pencils often used for gifts. Overhead costs are currently allocated using direct labor-hours, but the controller has recommended an activity-based costing system using the following data: Cost Driver Volume Pencils Pens 17 32 Activity Setting up Inspecting Packing and shipping Total overhead Cost Driver Number of setups Number of parts Number of boxes shipped Cost $ 93, 100 33,000 44,000 $170, 100 45,000 65,000 Required: a. Compute the amount of overhead to be allocated to each product under activity-based costing. b. Compute the amount of overhead to be allocated to each product using labor-hours as the allocation base. Assume that the number of labor-hours required to assemble each box is 0.2 for pencils and 0.2 for pens and that 45,000 boxes of pencils and 65.000 boxes of pens were produced during the period