A. Using matrix multiplication, create a matrix that represents the cost of materials used by each person. Use your matrix to find the cost of materials for the items that

Michael made. (5 points)

b. Using matrix multiplication, create a matrix that represents the income of each

person from each of the 2 stores where their items are sold. Use your matrix to find

the income for Alice from Store 1. (5 points)

c. Using the matrix created in part b, which potter had the greatest income? Explain

your answer. (2 points for answer, 2 points for explanation)