Answer:
The answer is: c. If the final result of the second column is not 9, then the sum of the numbers in the first column is not equal to the sum of the numbers in the second column.
Explanation:
If the final result of the second column was not nine, the numbers in the first column would not be the same as those in the second column, because the second column comes from the sum of the digits of the first column.
The answer is: c. If the final result of the second column is not 9, then the sum of the numbers in the first column is not equal to the sum of the numbers in the second column.