Using only the factors provided in this table below (do not use excel, a scientific calculator, know the correct factor to use) Intorest is 6% per period Ross Co. purchased some equipment today. The company's required rate of retum is 6%, and the initial investment of the project was $(15880). The equipment will generate annual cost savings of: $4120 each year for years 14. Thes estimated residual value of the equipment will be $4680 at the end of year 4 . The net present value of the project is $. If the net present value is negative, show , do not use 0 . Example net present value of negative 1,000 would be answered 1,000