Based upon Figure 1A, what is the minimum required bending space in inches for the neutral conductor, from the terminal 2, given that the neutral is 500 KCMIl, aluminum, THWN conuctor?

Based upon Figure 1A, what is the minimum required bending space in inches for the neutral conductor, from the terminal 2, given that the neutral is 500 KCMIl, aluminum, THWN conuctor?