Kolby?s Korndogs is looking at a new sausage system with an installed cost of $910,000. This cost will be depreciated straight-line to zero over the project?s seven-year life, at the end of which the sausage system can be scrapped for $105,000. The sausage system will save the firm $193,000 per year in pretax operating costs, and the system requires an initial investment in net working capital of $51,000. Required: If the tax rate is 30 percent and the discount rate is 6 percent, what is the NPV of this project?

I got a OCF of 229,400

I also got a NPV of 402,397.91

Plese check my answer and show calculations. I will show you my calcs if need be.