Answer:
See the attachment for the correct answer.
3(2) + 6(0) + 1(1) = 6 + 0 + 1 = 7
2(2) + 4(0) + 0(1) = 4 + 0 + 0 = 4
0(2) + 6(0) + 2(1) = 0 + 0 + 2 = 2