Please see the pictures below and answer a, b, and c. Thank you.

86 . Purchasing Costs The Bread Box, a small neighborhood bakery , sells four main items : sweet rolls , bread , cakes , and pies . The amount of each ingredient ( in cups, except for eggs ) required for these items is given by matrix A. Eggs Flour\\ Sugar Shortening Milk Rolls ( doz ) 4 I Al Bread ( loaf ) O 3 O - A Cake 4 3 2 1 Pie ( crust ) WIN O The cost ( in cents ) for each ingredient when purchased in large lots or small lots is given by matrix B . Cost Large Lot Small Lot G Eggs 5 Flour 8 10 Sugar 10 12 = B Shortening 12 15 Milk 5 ( 2 ) Use matrix multiplication to find a matrix giving the comparative cost per bak - ery item for the two purchase options .( b) Suppose a day's orders consist of 20 dozen sweet rolls , 200 loaves of bread. 50 cakes , and 60 pies. Write the orders as a 1 X 4 matrix , and , using matrix multiplication , write as a matrix the amount of each ingredient needed to fill the day's orders . ( C ) Use matrix multiplication to find a matrix giving the costs under the two pur - chase options to fill the day's orders