6-86. Consider the mutually exclusive alternatives given in the table below. The MARR is 10% per year. Alternative XYZ Capital $500,000 $250,000 $400,000 investment (thousands) Uniform annual $131,900 $40,690 $44,050 savings (thousands) Useful life 5 10 20 suming repeatability, which alternative should the company select? (6.5)

(a) Alternative X

(b) Alternative Y

(c) Alternative Z

(d) Do nothing