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Question 18 (6 points) **You have been asked to recommend one of the following power methods. Using the chart below, and an effective interest rate of 10% per year, which alternative should be selected on the basis of present worth? (All the alternatives presented below were calculated using compound interest factor tables including all decimal places Solar Conventional First Cost $ -16,000 -14,500 AOC S/Y -600 -1,200 Replace Cells in year 4 -2,500 Replace cells in year 5 -1.600 Salvage Value $ +2.000 Life in Years 10 Recommend Conventional method at PWc- $ 22.867 Recommend Conventional method at PWc- $-6,133 Recommend Solar method at PWs = $-20,623 Recommend Solar method at PWS-$-18,916 Question 20 (6 points) Given interest rate r 18% per year compounded monthly, the Effective rate per Compounding period is equal to 1.500% 0.049% 18.000% 4.500% Question 21 (2.5 points) *A mortgage bond with face value of $10,000 has a bond interest rate of 8% per year payable semiannually. What is the amount of the bond interest (I) or interest payment every six months?! $200 $10,000 $400 $800 Question 22 (5 points) "Compare the alternatives shown below on the basis of their capitalized costs, using an effective rate 3% per quarter compounded quarterly. Calculate the Capitalized Cost for each alternative and select the best option. Do not select until you have calculated the Capitalized Cost for each alternative. Alternative A Alternative B First Cost in $ -350,000 -700,000 Quarterly income. $/quarter +50,000 +40,000 Salvage value, $ +70,000 0.00 Life, in quarters 12 quarters Select Alternative B with CCB= +$1,333,333 Select Alternative A with CCA- +$778,733 Select Alternative A with CCA= +$659,040 Select Alternative B with CCB-+$633,333