The equation y=180+5x represents the amount a school club will pay a T-shirt company for custom T-shirts, where x represents the number of T-shirts purchased and y represents the total cost in dollars. The equation
y=10x represents the club’s income from selling the T-shirts, where y represents the money earned in dollars and x represents the number of T-shirts sold. The graph represents this situation.
Assuming that the club members sell all the T-shirts they purchase, when will the club make a profit?

A. when T-shirts are sold

B. when 360 T-shirts are sold

C. when more than 36 T-shirts are sold

D. when fewer than 36 T-shirts are sold