Isaac Engines Inc. produces three products-pistons, valves, and cams-for the heavy equipment industry. Isaac Engines has a very simple production process and product line and uses a single plantwide factory overhead rate to allocate overhead to the three products. The factory overhead rate is based on direct labor hours. Information about the three products for 2012 is as follows: Budgeted Volume (Units) Direct Labor Price Per Direct Materials Hours Per Unit Unit Per Unit Pistons 6,000 0.30 $40 $9 Valves 13,000 Cams 1,000 0.50 0.10 21 55 5 20 The estimated direct labor rate is $20 per direct labor hour. Beginning and ending inventories are negligible and are, thus, assumed to be zero. The budgeted factory overhead for Isaac Engines is $235,200. If required, round all per unit answers to the nearest cent. a. Determine the plantwide factory overhead rate per dih b. Determine the factory overhead and direct labor cost per unit for each product. Direct Labor Direct Labor Factory Overhead Hours Per Unit Cost Per Unit Cost Per Unit Pistons dih Valves dh Cams dih 11000