Assume a computer networking project is being considered with an IRR of $19\%.$ Examination of firms in the networking industry allows us to estimate an all$-$equity beta of $1\mathrm{.}5.$ Our firm is financed with $70\%$ Equity and $30\%$ Debt at rd$=6\%.$ The expected return on the market is $11\mathrm{.}2\%$ and the risk$-$free rate is $4\%.($ kindly explain all steps with its formela please dont use Excl if possible$)$