Answer:
The correct option is D.
Explanation:
It is given that Eleanor purchased $2,568 worth of stock and paid her broker a 0.5% fee.
Total cost price of stock is



She sold the stock when the stock price increases to $3,298, using an online broker that charged $7 per trade. So, her net profit is



Eleanor net proceed is $710.16.
Therefore the correct option is D.