Exercise 24-20A (Algo) IRR for investment using Excel LO P4 Optilux is considering Investing in an automated manufacturing system. The system requires an initial Investment of $7.0 million, has a 20-year life, and will have zero salvage value. If the system is Implemented, the company will save $860,000 per year in direct labor costs. The company requires a 10% return from its Investments. Using Excel, compute the Internal rate of return for the proposed Investment (Round your answer to 2 decimal places.) Internal rate of return