NPV = –$4,002.77
And the EAC on a per unit basis is:
EAC = –$946.16
Since the company must buy 7 units, the total EAC of the decision is:
Total EAC = –$6,623.12
28. Here we are comparing two mutually exclusive projects with inflation. Since each will be replaced
when it wears out, we need to calculate the EAC for each. We have real cash flows. Similar to other
capital budgeting projects, when calculating the EAC, we can use real cash flows with the real interest
rate, or nominal cash flows and the nominal interest rate. Using the Fisher equation to find the real
required return, we get:
r = .0667, or 6.67%
This is the interest rate we need to use with real cash flows. We are given the real aftertax cash flows
for each asset, so the NPV for the XX40 is:
So, the EAC for the XX40 is:
EAC = –$978.21
And the EAC for the RH45 is:
The company should choose the RH45 because it has the lower (less negative) EAC.
29. The project has a sales price that increases at 5 percent per year, and a variable cost per unit that
increases at 7 percent per year. First, we need to find the sales price and variable cost for each year.
The table below shows the price per unit and the variable cost per unit each year.