A year ago, an investor bought 600 shares of a mutual fund at $7,67 per share. This year, the fund has paid dividends of $0.72 per share and had a capital gains distribution of $0.48 per share. a. Find the investor's holding period return, given that this no-load fund now has a net asset value of $8.15. b. Find the holding period return, assuming all the dividends and capital gains distributions are reinvested into additional shares of the fund at an average price of $7.75 per share. a. Given that this no-load fund now has a net asset value of $8.15, the investor's holding period return is Y. Round to two decimal places.) b. Assuming all the dividends and capital gains distributions are reinvested into additional shares of the fund at an average price of $7.75 per share, the holding period return is \%. (Round to two decimal places.)