a.) Option B
(As you can see when you look at 200 on the x axis if you look where it intercepts on the y axis option B is less.)
$100 - $70 = $30
b.) 50 miles
Option A
Hope this helps you!
The first answer to Question A is Option B and the second answer is $30.
The first answer to Question B is 50 miles and the second answer is Option A (I think).
