1. Over the past 4 years an investment returned 0.1, -012, -0.08 and 013. what is the standard deviation of returns? (note: input raw results with 4 decimal digits, NOT percentage results. For example, input 0.0102 not 1.02%) 2) what would be the price of a stock that pays an annual fixed dividend of $1.2 for 10 years, and then the dividend payment increaes by 1% every year indefinitely, and the required rate of return is 5% annually.