The data performance shows the sales of Company 1 and Company 2 over a period of six years. In a standard analysis where the peak divergence happens at the final phases of a 5-year cycle, let the sales difference be maximum in 2024 with a difference value of $40$ units compared to other years. Based on this standard dataset representation, identify the year with the greatest difference.

1. A
   2020
2. B
   2019
3. C
   2024
4. D
   2023