Activity 4.12 50 SI SIHL The manufacturing cost for Buccaneers Ltd for next year is expected to be made up as follows: 000 Direct materials: Forming department 450 Machining department 100 Finishing department Direct labour: Forming department Machining department Finishing department Indirect materials: Forming department Machining department Finishing department Administration department Indirect labour: Forming department Machining department Finishing department Administration department Maintenance cost Rent and rates Heating and lighting Building insurance Machinery insurance 10 Depreciation of machinery 120 Total manufacturing cost 1,645 ASSIGNMENT 100 20 The following additional information is available: (0) Each of the four departments is treated as a separate cost centre. (1) All direct labour is paid 6 an hour for all hours worked. (III) The administration department renders personnel and general services to the pro- duction departments. (iv) The area of the premises in which the business manufactures square metres, divided as follows: Sq m Forming department 20,000 Machining department 15,000 Finishing department 10,000 Administration department 5,000 (v) The maintenance employees are expected to divide their time between the pro- duction departments as follows: Forming department Machining department Finishing department (vi) Machine hours are expected to be as follows: Hours Forming department 5,000 Machining department 15,000 Finishing department 5,000 On the basis of this information: (a) Allocate and apportion overheads to the three product cost centres. (b) Deduce overhead recovery rates for each product cost centre using two different bases for each cost centre's overheads. (c) Calculate the full cost of a job with the following characteristics: Direct labour hours: Forming department 4 hours Machining department 4 hours Finishing department 1 hour Machine hours: Forming department 1 hour Machining department 2 hours Finishing department Direct materials: Forming department 40 Machining department Finishing department Use whichever of the two bases of overhead recovery, deduced in (b), that you con- sider more appropriate. (d) Explain why you consider the basis used in (c) to be the more appropriate. 1 hour 9