Cole makes t-shirts. He charges a fix amount to create a t-shirt design. He than charges and addition amount for each t-shirt costumer's orders. He uses the equation y=21.50x+22 to find the total amount in dollars, he will charge a customer who orders x t-shirts. Which statement about how Cole charges costumers is true.

A. cole charges 21.50 to create t-shirts designs.

B. Cole charges 22 for each t-shirt a costumer orders

C. Each t-shirt added to the order increases the total cost by 21.50

D Each t-shirt added to the order increase the total cost by 22 dollars