The management of Firebolt Industries Inc. manufactures gasoline and diesel engines through two production departments, Fabrication and Assembly. Management needs accurate product cost information in order to guide product strategy. Presently, the company uses a single plantwide factory overhead rate for allocating factory overhead to the two products. However production department factory overhead rate method. The following factory overhead was budgeted for Firebolt Fabrication Department factory overhead $614,800.00 2 Assembly Department factory overhead 246,750.00 3 Total Direct labor hours were estimated as follows: $861,550.00 Fabrication Department 5,300 hours Assembly Department5,250 Total 10,550 hours In addition, the direct labor hours (dih) used to produce a unit of each product in each department were determined from engineering records, as follows Production Gasoline Engine Diesel Engine Departments Fabrication 1.8 dlh Department 29 dlh Assembly Department 1.8 2.9 Direct labor hours 4.7 dlh .7 dlh per unit Required: Determine the per-unit factory overhead allocated to the gasoline and diesel engines under the single plantwide factory overhead rate method, using direct labor hours as the activity base. Determine the per-unit factory overhead allocated to the gasoline and diesel engines under the multiple production department factory overhead rate method, using direct labor hours as the activity base for each department a. b