K Find the following matrix product, if it exists. -5 -1 -4 5 0-7 3 8 7 O A. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 8 -5 6 0 -1 5 -5 -1 -4 5 -7 7 3 8 B. The product does not exist. 8-5 6 0 -1 5 = (Simplify your answer.)

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