pays only 9% 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. ROIC for firm LL is ROIC for firm HL is b. Calculate the rate of return on equity (ROE) for each firm. Round your answers to two decimal places. ROE for firm LL is % ROE for firm HL is % debt to 15%. Calculate the new ROE for LL. Round your answer to two decimal places. %