Calculate the values for the row 'c + d'.

For the first column: 7 + 8 = 15.

For the second column: 12 + 8 = 20.

For the third column: 15 + 15 = 30.

For the fourth column: 40 + 1 = 41.

For the fifth column: 50 + 0 = 50.

For the sixth column: 0 + 200 = 200.