ALT A line graph titled "Mortgage Time Saved vs. Extra Annual Payments (30-Year Mortgage at 6.5% Interest Rate)." The horizontal axis represents the "Number of Extra Monthly Payments Per Year" ranging from 0 to 6 in whole-number increments. The vertical axis shows "Years Shaved Off Mortgage," scaled from 0.0 to 17.5 years. A single solid blue line begins at the origin (0 extra payments, 0.0 years saved) and curves upward to the right, illustrating a flattening non-linear slope due to diminishing returns. Each data point on the line is marked with a blue circle and labeled with its exact numerical value: 0 extra payments: 0.0 yrs 1 extra payment: 5.8 yrs 2 extra payments: 9.5 yrs 3 extra payments: 12.1 yrs 4 extra payments: 14.1 yrs 5 extra payments: 15.7 yrs 6 extra payments: 16.9 yrs