Contracts and Specifications

Based on the requirements listed at the top of first page, you need to make three contracts for three cases. The contracts models can be found online. I also wrote down notes next to case 1 and case 2. However, you need to figure out case 3.
Attachments:
image/png iconscreen_shot_2015-06-10_at_12.19.21_am.png
image/png iconscreen_shot_2015-06-10_at_12.19.31_am.png