Question: The price charged for 2 different CDs at two different stores can be represented by the matrix P = 14 16 13 15 Store A

The price charged for 2 different CDs at two different stores can be represented by the

matrix P = 14 16

13 15

Store A

Store B . The quantities of each CD sold at each store can be

represented by the matrix Q = 20 30

25 40 . Show that the transpose of the income generated

(PQ)T is equal to the product of the transposes of P and Q in reverse order, QTPT.

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