A custom t-shirt shop charges $16 per t-shirt if you order up to 50 t-shirts. If you order more than 50 t-shirts the price per shirt is reduced to $13 per t-shirt but there is an additional fee of $150. Let x be the number of t-shirts and c(x) be the cost of the x t-shirts in dollars.

a. write a piecewise function that represents the cost of ordering x t-shirts ?

b. find and interpret C(53). include correct units.