b$.$ What is the beta of the divisions, the firm, and the market? $($Do not round intermediate calculation. Round your answers to $4$ decimal places.$)$

$\backslash$table$[[,],[A,],[B,],[C,],[D,],[$ Market,$],[Firm,]]$

c$.$ According to the CAPM, what rate of return do investors require for each division, if the risk$-$free rate is $4\%$ and the expected rate of return for the market is as calculated in $($a$)?($Do not round intermediate calculation. Round your answers to $2$ decimal places.$)$

$\backslash$table$[[,,],[r_A,,\%$