The balance sheets at the end of each of the first two years of operations indicate the following: Kellman Company Year 2 Year 1 Total current assets $624,485 $562,364 Total investments 63,389 43,771 Total property, plant, and equipment 941,754 653,746 Total current liabilities 103,710 85,830 Total long-term liabilities 291,600 239,412 Preferred 9% stock, $100 par 83,930 83,930 Common stock, $10 par 517,831 517,831 Paid-in capital in excess of par-common stock 66,422 66,422 Retained earnings 566,135 266,456 Using the balance sheets for Kellman Company, if net income is $114,737 and interest expense is $31,543 for Year 2, what is the return on total assets for the year (round percent to two decimal points)? Oa. 9.11% Ob. 10.12% Oc. 7.04% Od. 10.58%