Task: Question Answering
Input (English): Question: The cost to park a car in a certain parking garage is $10 for up to 2 hours of parking and $1.75 for each hour in excess of 2 hours. What is the average (arithmetic mean) cost per hour to park a car in the parking garage for 9 hours?

 Option A:  $1.09

 Option B:  $1.67

 Option C:  $2.225

 Option D:  $2.47

 Option E:  $2.50
Output (English): Option D