Consider the following two mutually exclusive cost alternatives: Capital investment Annual expenses Useful life Market value at the end of useful life Alternative A $8,000 $3,500 Alternative B $16,000 3,400 12 years $3,000 8 years 0 Given that the MARR is 10% per year, answer the following: a. Assuming repeatability applies, determine which alternative should be selected. (5 points) b. For a study period of 12 years, and assuming repeatability does not hold, for the Alternative A consider there will be an annual contracting cost of $7,000 in the end of 9h, 10h, 11th and 12th ye and still no market value for A, determine which alternative should be selected. (5 points)