please show all work step by step

4 (10 Points) PRESENT WORTH ANALYSIS Solve the following problem using the present worth analysis for an interest rate of 8%. Alt. A Alt. B Alt.C Initial cost $1,700 S2,100 $3,750 Benefit/year 1,000 1,000 1,000 Life in years 2 3 6 4.1. The NPW for Alt. A is A) S201.2 B) $233 C) $272 D) $298 4.2. The NPW for Alt. B is A) $822.04 B) $890.3 C) $818.4 D) $856.02 4.3. The NPW for Alt. C is A) $907 B) $978 C) $923 D)$969 4.4. The best alternative is A) Alt. A B) Alt. B C) Alt. C 4.5. The annual maintenance cost of a monument in the state capital is estimated to be $4850. A perpetual i fund of S100,000 is set up to pay for this maintenance expenditure. Determine the interest rate this fund earns if the interest is compounded quarterly. A) 4.58% B) 4.76% C) 4.39% D) None of the above 4 (10 Points) PRESENT WORTH ANALYSIS Solve the following problem using the present worth analysis for an interest rate of 8%. Alt. A Alt. B Alt.C Initial cost $1,700 S2,100 $3,750 Benefit/year 1,000 1,000 1,000 Life in years 2 3 6 4.1. The NPW for Alt. A is A) S201.2 B) $233 C) $272 D) $298 4.2. The NPW for Alt. B is A) $822.04 B) $890.3 C) $818.4 D) $856.02 4.3. The NPW for Alt. C is A) $907 B) $978 C) $923 D)$969 4.4. The best alternative is A) Alt. A B) Alt. B C) Alt. C 4.5. The annual maintenance cost of a monument in the state capital is estimated to be $4850. A perpetual i fund of S100,000 is set up to pay for this maintenance expenditure. Determine the interest rate this fund earns if the interest is compounded quarterly. A) 4.58% B) 4.76% C) 4.39% D) None of the above