$3.$ Estimate the project's operating cash flows. Assume the sales price will increase by a $4\mathrm{.}0\%$ annual inflation rate beginning after year $1,$ and cash operating costs $($variable per unit and fixed$)$ will increase by a $3\mathrm{.}0\%$ annual inflation rate, also beginning after year $1.$ Assume no other cash flows $($net working capital, or salvage values$)$ are affected by inflation. Of course, lease payments are impacted by inflation but only to the extent of the previously mentioned contractual escalation clause. What is the project's NPV$,$ IRR, and MIRR, and cash flow calculation? Use $15\%$ for the required rate of return