Tropic Corp. has sales revenue of $508,000 resulting in operating income of $56,000. Average invested assets total $601,000, and the cost of capital is 6% Calculate the return on investment if sales increase by 10% and the profit margin and invested assets remain the same (Round your intermediate calculations and final answers to 2 decimal places.) Multiple Choice 1115% 6.35% 9.32% 10.25%