A year ago, an investor bought 100 shares of a mutual fund at $7.50 per share. This year, the fund paid dividends of 0.75 per share capital gains of $0.50 per share.

1. Find the investor's holding period return, given that this no-load fund now has a net asset value of $8.20.
2. Find the holding period return, assuming all the dividends and capital gain distributions are reinvested into additional shares of the fund at an average price of $7.75 per share.