A year ago, an investor bought 600 shares of a mutual fund at $8.56 per share. Over the past year, the fund has paid dividends of $0.89 per share and had a capital gains distribution of $0.65 per share.

a. Find the investor's holding period return, given that this no-load fund now has a net asset value of $9.11. ( answer in % and 2 decimal places)

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 $8.79 per share.