The price of Stock A at 9 A.M. was ​$13.59. Since​ then, the price has been increasing at the rate of ​$ 0.12 each hour. At noon the price of Stock B was ​$14.09. It begins to decrease at the rate of ​$0.13 each hour. If the two rates​ continue, in how many hours will the prices of the two stocks be the​ same?