Use the general market information below to fill in the missing questions that follow:

The risk$-$free rate is $3\%.$

The tax$-$adjusted market risk premium $($TAMRP$)$ is $7\%.$

The corporate and investor tax rates are both assumed to be $28\%.$

$($a$)$ ABC Ltd$.$ is an energy company with an equity beta of $1\mathrm{.}5.$ According to the simplified Brennan$-$Lally CAPM, the cost of equity for ABC Ltd$.$ is

$\_\_\_\_\_\_\_\%.$

Note: Please provide your answer in percent with two decimal points in the format of xx$.$xx $($for example, if the answer is $12\mathrm{.}345\%,$ type in $12\mathrm{.}35).$

$($b$)$ DEF Ltd is another energy company. Suppose that the asset beta for companies in the energy sector is $0\mathrm{.}76.$ Assume the debt beta is zero. If DEF's market value of equity is $$800$m and its market value of debt is $$200$m$,$ then DEF's equity beta is

$\_\_\_\_\_.$

Note: Please provide your answer with two decimal points in the format of xx$.$xx $($for example, if the answer is $12\mathrm{.}345,$ type in $12\mathrm{.}35).$

$($c$)$ GHI Ltd also operates in the energy sector. GHI has a cost of equity of $11\%$ and the market interest rate on its debt is $6\%.$ It has debt with a market value of $$400$m and equity with a market value of $$600$m$.$ GHI's weighted average cost of capital $($WACC$)$ is

$\_\_\_\_\_\%.$

Note: Please provide your answer in percent with two decimal points in the format of xx$.$xx $($for example, if the answer is $12\mathrm{.}345\%,$ type in $12\mathrm{.}35).$