Blackheath Manufacturing Company

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Case Study Week 1: BLACKHEATH MANUFACTURING COMPANY QUESTIONS 1. Develop an appropriate set of decision rules for pricing Great Heath. a. Identify the variable and fixed cost High-low method: Variable cost/unit = Cost for highest production – Cost for lowest production Unit of highest output – Unit of lowest output Manufacturing cost based on 500 units. | Variable cost/ unit | Total Fixed cost | Total cost | Total cost/unit | Direct Materials | =450-300 600-400=0.75 | - | =375 | =0.75 | Direct Labour | =750-500 600-400=1.25 | - | =625 | =1.25 | Indirect Labour | = 220-180 600-400=0.2 | =180- (0.2×400)=100 | =200 | =0.4 | Indirect Materials | - | =300 | =300 | =0.6 | Electriciy | =135-115 600-400=0.1 | =115-(0.1×400)=75 | =125 | =0.25 | Factory Insurance | - | =125 | =125 | =0.25 | Other Overhead | =410-310 600-400=0.5 | =310-(0.5×400)=110 | =360 | =0.72 | Total | =2.8 | =710 | =2110 | =4.22 | b. Work out the detail on how Lee High put together his ‘useful data on Great Heath’ and the standardized cost information based on 500 units per week. Manufacturing cost 4.22 Administration cost Variable cost (commission) (7×10%) 0.7 Fixed cost (781/500) 1.56 2.26 6.48 Funny error 0.12 Total cost/ unit 6.60 The cost of goods sold per unit tended to fall when the sales increased because of the characteristic of the fixed costs. Fixed costs remained constant over wide ranges of activity for a specified time period. They were not affected by changes in activity. Thus, unit fixed costs tended to decrease proportionally with the level of activity. c. Evaluate decision Rule 1 and 2. Decision rules that Lee High had

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