the answer is option a

The following case information is repeated for the next question. A manufacturing company has two manufacturing departments - Moulding and Assembly, and two support departments Inspection and Engineering. The estimated usage of the two support departments and their budgeted costs is as follows: User of Support Service Provider of Service Inspection Engineering (# of employees) (No. of hours) 0 10 2 0 Inspection Engineering Moulding Assembly 3 90 5 50 10 150 Budgeted department costs: Direct costs ($) Overhead costs (S) Total costs (S) Inspection Engineering Moulding Assembly 40,000 100,000 50,000 100,000 80,000 40,000 400,000 300,000 120,000 140,000 450,000 400,000 Calculate the plantwide overhead rate using direct labour hours as the cost driver given the information in the table below. Departments (Direct) labour hours Inspection Engineering 20 50 Moulding 200 Assembly 80 Total 350 Select one: a. $3,428.57 per DL hour b. $2,342.86 per DL hour C. $3,171.43 per DL hour X d. $2,928.57 per DL hour e. $2,742.86 per DL hour