Find a Matrix a and a Column Matrix B That $$\mathrm { AB } = \left[ \begin{array} { r } 1064 \\813 \\796\end{array} \right]$$

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.
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A)
$$\mathrm { AB } = \left[ \begin{array} { r } 1064 \\813 \\796\end{array} \right]$$
Tuition for Student 1 is $\$ 1064$ , tuition for Student 2 is $\$ 813$ , and tuition for Student 3 is $\$ 796$ .
B)
$$\mathrm { AB } = \left[ \begin{array} { r } 1057 \\815 \\782\end{array} \right]$$
Tuition for Student 1 is $\$ 1057$ , tuition for Student 2 is $\$ 815$ , and tuition for Student 3 is $\$ 782$ .
C)
$$\mathrm { AB } = \left[ \begin{array} { l l l } 1074 & 799 & 804\end{array} \right]$$
Tuition for Student 1 is $\$ 1074$ , tuition for Student 2 is $\$ 799$ , and tuition for Student 3 is $\$ 804$ .
D)
$$\mathrm { AB } = \left[ \begin{array} { l l l } 1063 & 815 & 806\end{array} \right]$$
Tuition for Student 1 is $\$ 1063$ , tuition for Student 2 is $\$ 815$ , and tuition for Student 3 is $\$ 806$ .