John's 8minusyearminusold Chevrolet Trail Blazer requires repairs estimated at $ 11 comma 000 to make it road worthy again. His wife, Sherry, suggested that he should buy a 5minusyearminusold used Jeep Grand Cherokee instead for $ 11 comma 000 cash. Sherry estimated the following costs for the two cars: Trail Blazer Grand Cherokee Acquisition cost $ 25 comma 000 $ 11 comma 000 Repairs $ 11 comma 000 long dash Annual operating costs (Gas, maintenance, insurance) $ 2 comma 580 $ 2 comma 100 What should John do? What are his savings in the first year?

You are evaluating two different silicon wafer milling machines. the techron i costs $285,000, has a three-year life, and has pretax operating costs of $78,000 per year. the techron ii costs $495,000, has a five-year life, and has pretax operating costs of $45,000 per year. for both milling machines, use straight-line depreciation to zero over the project’s life and assume a salvage value of $55,000. if your tax rate is 24 percent and your discount rate is 11 percent, compute the eac for both machines.

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?

Aproduct has a demand of 4000 units per year. ordering cost is $20, and holding cost is $4 per unit per year. the cost-minimizing solution for this product is to order: ? a. 200 units per order. b. all 4000 units at one time. c. every 20 days. d. 10 times per year. e. none of the above