Watson invested $4,100 in an open-end, no-load mutual fund when the NAV was $45.61 per share. He reinvested all dividend and capital gain distributions. Seven years later, Watson owned 170.519 shares, and the NAV had grown to $59.65 per share. Determine the rate of return. 10.17% O 7.65% O 13.86% 0 3.91%