After taking \(N\) tests, each containing \(100\) questions, John had an average of \(70\%\) of correct answers. How much does John need to score on the next test to make his average equal \(72\%?\)
A. \(N-35\)
B. \(N+72\)
C. \(2N+70\)
D. \(2N+72\)
E. \(2N-35\)
Answer: D
Source: GMAT Club Tests