Problem Solving

Bobby bought 2 shares of stock , which he sold for $96 each. if he had a profit of 20 percent on the sale of one of the shares but a loss of 20 percent on the sale of the other share then on both shares combined bobby had?

a. a profit of $10
b. a profit of $8
c. a loss of $8
d. a loss of $8
e. neither a profit nor a loss.

Ans is a loss of $8.

This particular question was discussed earlier but i am not able to understand the solution. Can someone give a try to this.
Thanks.