Task: Question Answering
Input (English): Problem: a couple spent $ 198 in total while dining out and paid this amount using a credit card. the $ 198 figure included a 20 percent tip which was paid on top of the price which already included a sales tax of 10 percent on top of the price of the food. what was the actual price of the food before tax and tip ?
Options: a. $ 130, b. $ 140, c. $ 150, d. $ 160, e. $ 170
Output (English): c