Answer:
the rate of return will be 21.5231%
Explanation:
the return will be
89.25-75.5=13.75
+ 2.5 dividends
total of 16.25
then we divide this ammount by the investment Made
16.25/75.5=0.215231
because each share are of the same class and receive the same dividends and their increase is also the same the number of shares do not modifies the rate.