An Australian steel company, ASM International, claims that a savings of 40% of the cost of stainless steel threaded bar can be achieved by replacing machined threads with precision weld depositions. A U. S. manufacturer of rock bolts and grout-in-fittings plans to purchase the equipment. A mechanical engineer with the company has prepared the following estimates for additional costs and savings over the next 4 years (16 quarters). Costs decrease for some time, then increase rapidly as the equipment ages. Savings peak at $80,000 for some quarters, but then decrease as expected competition takes its toll. The U. S. manufacturer president is not sure of the time frame to plan for the use of this new technology. The decision, in part, rests upon the rate of return achievable as the years of use progress. In the past, projects must return at least 24% per year to be retained. (a) Determine the expected rate of return per quarter for 2 years (8 quarters) and beyond using a spreadsheet. (b) Plot i* versus quarter to graphically illustrate your results. (c) Make a recommendation on the number of years to use the technology to economic advantage. Quarter Cost, $ Savings, $ 0 β350,000 β 1 β50,000 10,000 2 β40,000 20,000 3 β30,000 30,000 4 β20,000 40,000 5 β10,000 50,000 6β12 0 80,000 13 β20,000 80,000 14 β40,000 40,000 15 β60,000 20,000 16 β80,000 0
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An Australian steel company, ASM International, claims that a savings of 40% of the cost of stainles...
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