1- Select the best alternatives based on B/C ratio method for a project A has first cost is $ 17000, maintenance and operation cost is S 11000/year, benefit is $ 15000/year disbenefit is S 500 year and life cycle is 3 years, project B has first cost is S 30000 maintenance and operation cost is S 14000/year, benefit is S 25000/year, disbenefit is $ 800/year and life cycle is 11 years, project C has first cost is S 41000, maintenance and operation cost is $ 10000/year, benefit is $ 5000/year, disbenefit is S 600/year and life cycle is 9 years, and project D has first cost is S 9000, maintenance and operation cost is S 20000/year, benefit is S 30000/year, disbenefit is $ 400/year and life cycle is 30 years. Assuming that the applicable interest rate is 2%. 2- John received a load from the national bank of a one million dollar initially (at year 0) and his plan to retune it as yearly installment payments. Therefore, he will start paying his first payment of S300000 at year 1 and then paying $100000 for years 3 and 4. Next the payments will increase by 2 % from year 5 to 12, Assuming that the applicable interest rate is 8% a. Draw the cash flow diagram, CFD b. Find actual years, series years and gradient years c. Find the total future worth equivalent of the all receiving and paying money at the last year of CFD University of Jeddah, Faculty of Engineering 3- According to mutually exclusive (ME) alternatives, you have been asked to select the better alternative between two machines at 8% per year Machine A Machine B First cost,S Annual cost, S per year Salvage value, S Estimated life, years 200000 -2000 60000 -350000 -1000 80000 a. Do the evaluation based on Present worth (PW) method b. Do the evaluation based on Annual worth (AW) method. c. Do the evaluation again based on Capitalized Cost (CC) method d. Ifonly project B run forever, Redo the evaluation again based on Annual worth (AW) e. Do the evaluation based on Payback period method at i 0% (Assuming no salvage). 4- How much money will be in a savings account at the end of 10 years from deposits of $1000 per month, if the account earns interest at a rate of 8% per year compounded semiannually