Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The total tuition paid by all 3 students is $3777.
B.
AB = 
Tuition for Student 1 is $1299, tuition for Student 2 is $1257, and tuition for Student 3 is $927.
C.
AB = 
Tuition for Student 1 is $1292, tuition for Student 2 is $1259, and tuition for Student 3 is $913.
D.
AB = 
The total tuition paid by all 3 students is $3928.
Answer: B
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