Working capital and capital budgeting. Working capital investment is 25% of the anticipated first year sales for Wallys Waffle House. The first-year sales are currently projected at $4,300,000. The incremental cash flow (not including working capital investment) is Initial cash flow = $13,700,000 outflow Cash flow years 1 through 10 = $2,850,000 What is the internal rate of return of the ten-year project with working capital factored into the cash flow? What is the net present value at a 15% weighted average cost of capital? What is the maximum investment in working capital for an acceptable project with a 15% weighted average cost of capital?