Consider a no-load mutual fund with $400 million in assets, 50 million in debt, and 15 million sha

Consider a no-load mutual fund with $400 million in assets, 50 million in debt, and 15 million shares at the start of the year; and $500 million in assets, 40 million in debt, and 18 million shares at the end of the year. During the year investors have received income distributions of $0.50 per share, and capital gains distributions of $0.30 per share. Assuming that the fund carries no debt, and that the total expense ratio is 0.75%, what is the rate of return on the fund? A. 12.09% B. 12.99% C. 8.25% D. There is not sufficient information to answer this questionI need the explanation as well. Thanks so much.