Calculate the after$-$tax cost of debt under each of the following conditions: a$.$ rd

b$.$ rd $(9-2)$ After$-$Tax Cost of Debt $(9-3)$ Cost of Preferred Stock $(9-4)$

Cost of Preferred Stock with Flotation Costs

$(9-5)$

Cost of Equity: Dividend Growth

$(9-6)$ Cost of Equity: CAPM

of $13\%,$ tax rate of $0\%$ of $13\%,$ tax rate of $20\%$

c$.$ rd of $13\%,$ tax rate of $35\%$