1 The following costs were reported by ABC Company. a. b. Period Units produced Costs (S) 12345 680 4 520 2 600 4 320 800 4 600 4 840 4 800 5 720 4 532 Use the High-low Method to calculate the fixed costs per month and the variable costs per unit. (5 marks) The following costs were observed over several periods in a manufacturing company. Production level (units) Period 1 8 Period 2 7 Period 3 9 Period 4 9 Period 5 11 Period 6 10 Total costs ($) 58 64 82 74 90 96 Required Using the Least Square Method of linear regression, determine the: i. variable cost per units and total fixed cost (17 marks) ii. total cost at an estimated production level of 12 units and 14 units. (4 marks) A company has three production departments, A, B and C, and a service department, S. The overhead costs incurred during a particular for week costing period were: Indirect wages and salaries Dept A Dept B Dept C Dept S National insurance Rent and rates Repairs to plant and machinery Depreciation of plant and machinery Heating and lighting Power Insurance of plant and machinery Medical costs The following information is also available: $ $ 4,000 3,000 3,500 2,500 13,000 780 600 600 450 300 560 350 20 Dept A Dept B Dept C Dept S Area in square feet 10,000 8,000 7,000 5,000 Number of employees 20 12 15 13 Book value of plant and machine $10,000 $12,000 $6,000 $2,000 Horse power of machines 120 95 55 10 Required: A. Carry out the allocation and apportionment of overhead to the four departments