11% interest on its debt, whereas LL has a 30% debt-to-capital ratio and pays only 10% interest on its debt. Neither firm uses preferred stock in its capital structure. a. Calculate the return on invested capital (ROIC) for each firm. Round your answers to two decimal places. \begin{tabular}{ll} ROIC for firm LL: & % \\ ROIC for firm HL: & % \end{tabular} b. Calculate the return on equity (ROE) for each firm. Round your answers to two decimal places. \begin{tabular}{ll} ROE for firm LL: & % \\ ROE for firm HL: & % \end{tabular} Round your answer to two decimal places. %