Please help!

Walken Hardware is adding a new product line that will require an investment of 51,418,000. Managers estimate that this investraent wil have a 10 -year life and generate net cash eight years. The investment has no residual value. Compute the payback period First enter the formula, then calculate the payback period. (Round your answer to two decimel places.) period anewer to two decienal placis ) Projected case inlitwinned year | = Payback