A closed-end fund starts the year with a net asset value of $18.00. By year-end, NAV equals $18.40. At the beginning of the year, the fund was selling at a 2.5% premium to NAV. By the end of the year, the fund is selling at a 5% discount from NAV. The fund paid year-end distributions of income and capital gains of $1.60. a. What is the rate of return to an investor in the fund during the year