For the following table, assume a MARR of 15% per year and a useful life for each alternative of eight years which equals the study period. The rank-order of alternatives from least capital investment to greatest capital investment is Z Y X Complete the incremental analysis by selecting the preferred alternative "Do nothing" is not an option. Capital investment Annual cost savings Market value PW (1596) S250 400 200 20 175 70 100 97 90 50 20 Click the icon to view the interest and annuity table for discrete compounding when i= 15% per year. The PW of (W-Miss. (Round to the nearest dollar) What is the preferred alternative? Choose the correct answer below. O A. Alternative W O B. Alternative O C. Alternative Y D. Alternative Z