First class postage with a private postal service costs $0.36 for all weights through 1 ounce, plus $0.22 for each ounce or fraction of an ounce thereafter. Each letter is required to carry one $0.36 stamp and as many $0.22 stamps as necessary. Graph the function f that models the number of stamps, y, on a letter weighing x ounces over the interval (0,5]. Choose the correct graph. O A. Ay 3- 2- 1-0 888 0 1 2 3 4 O B. C. Ay 3- 2- 88 0112345 G 5- 2- 0123 75 G