A zoo gift shop sells souvenir T-shirts. The line graph shows the average number of T-shirts sold on different days of the week. Based on the information shown on the line graph which value is most likely the difference between the number of T-shirts the zoo gift shop will sell on Sunday in the number of T-shirts the zoo gift shop will sell on Tuesday in the next eight weeks? A.) 20 B.)160 C.) 200 D.) 480