11. Daisun owns 2 sportswear stores (X and Y). She stocks 3 brands of T-shirts (A, B, and C) in each store. The matrices below show the numbers of each type of T-shirt in each store and the cost for each type of T-shirt. The value of Daisun’s T-shirt inventory is computed using the costs listed. What is the total value of the T-shirt inventory for Daisun’s 2 stores?