AMC 10B/12B 2025 (Problem 8/6)

Emmy says to Max, "I ordered 3636 math club sweatshirts today." Max asks, "How much did each shirt cost?" Emmy responds, "I'll give you a hint. The total cost was A B B .B A\underline{A}\ \underline{B}\ \underline{B}\ . \underline{B}\ \underline{A}, where AA and BB are digits and A0A\ne0." After a pause, Max says, "That was a good price." What is A+BA+B?
(A)  7\text{(A)}\;7(B)  8\text{(B)}\;8(C)  11\text{(C)}\;11(D)  14\text{(D)}\;14(E)  15\text{(E)}\;15