Dog Up! Franks is looking at a new sausage system with an installed cost of $491,400. This cost will be depreciated straight-line to zero over the project's 9-year life, at the end of which the sausage system can be scrapped for $75,600. The sausage system will save the firm $151,200 per year in pretax operating costs, and the system requires an initial investment in net working capital of $35,280. Required: If the tax rate is 31 percent and the discount rate is 12 percent, what is the NPV of this project? $173,482.46 O $158,471.02 $132.113.92 $150,924.78 $154,671.60