Find the Matrix Product When Possible $[ 13,36516,900 ]$ B) $[ 15,01515,280 ]$

Multiple Choice

Find the matrix product when possible.
-Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of éc 44 ingredient (in cups, except for eggs) required for these items is given by matrix A.


The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B



Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Us matrix multiplication to find a matrix giving the costs under the two purchase options to fill the day orders.

A) $[ 13,36516,900 ]$
B) $[ 15,01515,280 ]$
C) $[ 12,10515,280 ]$
D) These matrices cannot be multiplied.