Three mutually exclusive alternatives are being considered. i) Initial investment cost Annual net income Rate of Return A $43,000 B $24,000 $4,150 7.3% Each alternative has a 20 year useful life and no salvage value $2500 8.3% с $17,000 $1700 6.0% Calculate the PW of the three alternatives over an interest rate of 1 to 60%, construct a choice table for interest rates from 1 to 60% (1, 10, 20, ....60%).

Question 1 A design firm is considering multiple independent projects for the upcoming quarter. For a MARR of 6.5% per quarter. What is your recommendation to the company based on a PW analysis? Project Initial Payment Monthly Costs (Today) A $1,500,000 $170,000 B $245,000 $200,000 C $300,000 $150,000 Payments are inflows for the design firm. Costs are outflows for the design firm. Payment at month 12 of $1,000,000 Costs at month 9 of $100,000 None Final Payment (At end of project) $3,000,000 Project Length Other Cash flows 2 years $3,000,000 18 months $4,000,000 30 months

Given the following two mutually exclusive alternatives and using repeatability assumption, the correct equation for computing the CW of alternative B is. MARR-15% / year. Capital Investment, $ Market value, $ Annual Expenses, $ Useful life (years) Alternative A -12.000 0 -2,200 10 O CW(15%)-(-40,000-100-(P/A, 15%, 25)+10000(P/F, 15 %. 25))*0.15 O CW(15 %)-(-40,000(A/P. 15%, 25)-1000+10,000(A/F. 15%, 25))/0.15 OCW(15%) - (-40,000(A/P. 15%, 25)-1000+10,000(A/F, 15%, 25))*0.15 OCW(15%)-(-40,000-100-(P/A, 15%, 25 ) +10000 (P/F, 15%, 25))"0.15 Alternative B -40.000 10,000 1,000 25

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