14. You can buy a computer for $2,500 now, keep it for 4 years and then sell it for $800. The computer is not expected to require any maintenance for the first year, but starting in year 2, the maintenance cost will be $10 each quarter. Assume the interest rate is 12% per year compounded quarterly. a. What is the nominal interest rate per month? b. What is the annual effective interest rate [is]. c. Compute the Present Worth for the purchase and maintenance of the computer. cl. Compute the Equivalent Annual Worth for the purchase and maintenance of the computer