A year ago, an investor bought 500 shares of a mutual fund at $8.63 per share. Over the past year, the fund has paid dividends of $0.84 per share and had a capital gains distribution of $0.68 per share.

a. Find the investor's holding period return, given that this no-load fund now has a net asset value of $9.12.

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 $8.76 per share.

a. Given that this no-load fund now has a net asset value of $9.12, the investor's holding period return is %. (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 $8.76 per share, the holding period return is %. (Round to two decimal places.)