Project X Project Annualized first cost, $/year 60,000 90,000 Annual M&O cost, $/year 45,000 35,000 Annual benefits, $/year 110,000 150,000 Annual disbenefits, $/year 20,000 45,000 7.43 If the two independent projects shown are evaluated using an interest rate of 10% per year and B/C ratio method, the decision is to: a. select do-nothing b. select X c. select Y d. select X and Y