Optilux is considering investing in an automated manufacturing system. The system requires an initial investment of $7.0million, has a 20 -year ife, and will have zero salvage value. If the system is implemented, the compary will save $860,000 per year in direct labor costs. The company requires a 10% retum from its investments. (PV of S1, FV of S1. PVA of S1, and FVA of S1) Note: Use oppropriate foctor(s) from the tables provided. a. Compute the proposed investment's net present value. b. Using the answer from part a, is the investment's internal rate of retum higher or lower than 10\%? Hint it is not necessary to compute IRR to answer this question. Complete this question by entering your answers in the tabs below. Compute the proposed investment's net present value. Table B.1* Present Value of 1 p1/(1+i)n Table B. 2 Futare Value of 1 (1+i)n Table B.3 Preseat Value of an Annuity or 1 P=[1u(1+h)n]w f=[(1+i)n1]/]