OptiLux is considering investing in an automated manufacturing system. The system requires an initial investment of \\( \\$ 4 \\) million, has a 20 -year life, and will have zero salvage value. If the system is implemented, the company will save \\( \\$ 500,000 \\) 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. Note: Round your answer to 2 decimal places