1. 12 years ago, you purchased shares of stock in a corporation. Between then and now, the stock had a 4:1 split, and the price per share decreased by 16.3%. What would be the rate of return on your investment if you sold your shares today? Round your answer to the nearest tenth of a percent.
2. Suppose that 9 years ago, you purchased 263 shares of stock in a corporation. Between then and now, the stock had a 3:1 split and a 5:1 split. Today, each share sells for $16. If selling all of your shares today would give your investment a rate of return of 15%, what was the price per share when you made the purchase 9 years ago?