Tropic Corp. has sales revenue of $508,000 resulting in operating income of $63,000. Average invested assets total $604,000, 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 7.57% 12.37% 10.43% 11.53%