Question 4 of 10 John owns a clothing store that sells shorts and graphic T-shirts. He sells the shorts for $12 each and T-shirts for $5 each. He is limited to the constraints shown by the set of inequalities below. Which of the points (s, t) will maximize John's revenue? A.(5, 0) B.(0, 5) C.(10, 0) D.(0, 20)