Task: Question Answering
Input (English): Problem: from the sale of sleeping bags, a retailer made a gross profit of 16 % of the wholesale cost. if each sleeping bag was sold for $ 28, what was the wholesale cost per bag ?
Options: a. 3.0, b. 3.36, c. 24.13, d. 25.0, e. 31.36
Output (English): c