As an engineer, you are responsible to find the best alternative that is economically best. The cash flows shown in the table and the MARR is 11 % per year. Then please answer the following questions. Cash Flow Project 01 Project 02 Project 03 First Cost, $ -90000 260000 270000 Annual Cost, $ Per Year -40000 -20000 -12000 Overhaul Every 10 Years, $ -70000 Salvage Value, $ 5000 27000 77000 Life, Years 3 10 a) Find the Aw for Project 01. b) calculate the AW for Project 02 c) Calculate Aw for Project 03. What is your decision? Explain it briefly in the text box and upload your handwritten solution.

Required information PEMEX, Mexico's petroleum corporation, has an estimated budget for oil and gas exploration that includes equipment for three offshore platforms as shown. Use PW analysis to select the best alternative at a MARR of 16% per year. Platform First cost, $ million Y Z -300 -450 -510 M&O, $ million per year -320 -290 -230 Salvage value, $ million 75 50 90 Estimated life, years 20 20 20 Select platform X, Y, or Z using tabulated factors. The present worth of platform X is $- 2298.4 worth of platform Z is $- 1944.14 million, the present worth of platform Y is $- 2262.15 million, and the present million. The platform selected based on the present worth is platform Z

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A seasonal bus tour firm has 5 buses with a capacity of 60 people each. Each customer pays $25 for a one-day tour. Records show $360,000 in fixed costs per season, incremental costs of $5 per customer, and an average daily occupancy of 80%. The number of days of operation necessary each season to break even is closest to which value? (a) 50 days (b) 75 days (c) 100 days (d) 120 days?