sir I cropped the question to make it more visible please do it correctly will upvote in 1 hour

= Homework: Chapter 4 Homework HW Score: 60%, 3 of 5 points Points: 0 of 1 Save (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. The replacement and downtime for five years (i.e. until the EOY 6), at which time this particular heat exchanger will no longer be needed. If the company's cost of capital is I replacement and downtime costs could be eliminated