(Holding period dollar pain and return) Suppose you purchased 12 shares of Diamond Company stock for $24.92 per share on May 1, 2016. On September 1 of the same year, you sold 10 shares of the stock for $27.81. Calculate the holding period dollar gain for the shares you sold, assuming no dividend was distributed, and the holding-period rate of return. a. The holding-period dollar gain for the shares you sold is $28.9. Enter a negative number if it is also. (Round to the nearest cent) b. The holding-period rate of retum is 1% (Round to two decimal places.)