One of the implications of S-shaped value function is that it matters how outcomes are bundled. People are less dissatisfied when multiple losses are integrated than they are segregated. By constructing graphs (using S-shaped value functions), show that

In other words, a $25 loss plus an additional $50 loss is worse than a $75 loss.

You can take a picture of your graph and copy it in the journal's message area under assignment submissions by right clicking and using the image icon on the menu. Let me know if you run into problems.