The Razorback t-shirt shop sells each t-shirt for $ 23 dollars. During the Arkansas and Texas tech game they offered a discount of $ 17 per t-shirt and sold 28 t-shirts. How much money did they make from selling the t-shirts?
1) How much does each t-shirt cost? 
$23 per t-shirt

2) How much was the discount? 
$17 per t-shirt

3) How many t-shirts were sold in total? 
28 t-shirts

4) How much money was made in total from selling the t-shirts? 
$28 x $23 = $644