~PLEASE HELP ASAP OFFERING 10 POINTS~

A web designer charges a $200 fee plus $50 per hour to build a website. WHich equation represents the total cost, y, to a customer based on the number of hours, x, it takes to build the website?

A) y = 50x - 200

B) y = 250x

C) y = 200x + 50

D) y = 50x + 200