In June$2009,$ a computer company had no$$ debt, total equity capitalization of $ $127$billion$,$ and an equity beta of $1\mathrm{.}78.$ Included in the$$ company's assets was $ $25$ billion in cash and$$ risk$-$free securities$.$ Assume that the$$ risk$-$free rate of interest is $5\mathrm{.}0\%$ and the market risk premium is $4\mathrm{.}0\%.$ a$.$ What is the$$ company's enterprise$$ value? b$.$ What is the beta of the$$ company's business$$ assets? c$.$ What WACC would be applicable to the$$ company's business$$ assets?