Chapter 12 – Strategy and the Analysis of Capital Investments
12-46 Equipment Replacement; MACRS (50 minutes)
1. Per-unit pre-tax cash flow per unit, additional unit sales:
Sales price per unit $3,500
Current variable (cash) manufacturing cost per unit − 2,450
Current cash contribution margin per unit $1,050
Cash-based cost savings per unit with the new machine + 150
Pre-tax cash flow per unit for the additional units $1,200
After-Tax Cash Flow Analysis Present Discount
Item Description Value Factor 1
2016 2017 2018 2019
Purchase cost of the new asset ($608,000)
Capitalized installation cost of the new asset ($12,000)
After-tax proceeds from disposing old ($50,000 × (1 − t)) $30,000
Pre-tax cash flow per unit, sale of additional units (above) $1,200 $1,200 $1,200 $1,200
Additional units (given) 30 50 50 70
Pre-tax cash flow from additional units $ 36,000 $ 60,000 $ 60,000 $ 84,000
VacuTech can expect to have a negative NPV of $60,006 if it purchases the new pump.
1Note: The above PV of after-tax cash inflows ($529,994) was determined using the NPV built-in function in Excel. If,
instead, the present value factors from Appendix C, Table 1 were used, the indicated NPV would be ($59,840).
The PVs for after-tax cash flows are as follows: Year 1 = $155,243; Year 2 = $168,286; Year 3 = $97,516; Year 4 =
$109,115.
12-45