The plastic company is trying to decide whether to use machine A or B in its plant. The company uses a 15% MARR Machine A has an initial cost of SR 150,000, requires annual maintenance costs of SR 15,000, and will last 10 years. Machine B costs SR 250,000, requires SR 8,000 annual maintenance, and will last 20 years Question 2 An engineer at the company hypothesize that the service life has no merit in the comparison and can be assumed as perpetual. Which machine is best in this case