b. The holding-period rate of return is (Holding-period dollar gain and roturn) Suppose you purchased 12 sharos of Diamond Company stock for 57273 per share on May 1,2016 . On Seppember 1 of the same year, you scld 12 shares C the stock for 524.67. Calculate the holding-period dollar gain for the shuces you sold, assuming no dividend was datribuled, and the holding-period rate of totum. 2. The holding-period dollar gain for the shares you sold is ? Enter a negalive number if it is a loss. (Flound to the nearest cent)