Please calculate following:Given:Purchase $9$mln$Forecasted revenue per year is $5\mathrm{.}5$mln$Operating cost $4$ mln$Refit cost $2$mln$ after fifth and tenth year After $15$ years it is expected to be sold for $1$mln$ Questions:$1.$ What is NPV is the opportunity cost of capital is $10\%2.$ Should company accept the purchase?$3.$ What is IRR of this project?$4.$ What is the payback period?