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The first picture is the home page, which defaults to the "Currently Assigned Midnights" tab. Note that the user currently logged on in this picture is "test". test is assigned pots on Monday, bathrooms on Saturday, dishes on Friday, and waitings on Tuesday. His name is red, in contrast to other users' names, so that he can find his assignments more easily.
The second picture is the confirm dialog box on the "Current Open Trades" tab, after a user has placed decided to add a new bid for Monday pots. The user can reach this state by clicking on "Current Open Trades" on the left-side navigation bar, then expanding the "Monday" drop down menu, then expanding the "Pots" drop down menu.
The third picture is the "Watchlist" tab, with the first drop-down menu (for adding a midnight to the watch list) opened. The user can reach this state by clicking on "Watchlist" on the left-side navigation bar. In this example, the User has already added Monday pots, Monday kitchens, Wednesday pots, Thursday dinings, Saturday bathrooms, and Saturday pots to his watch list. The list shows the current best bid and ask prices. Note that the user can remove a midnight from his watch list by clicking on the "x" on the right of the midnight.
The last picture is the "Contracts" tab. A user has clicked the "1 offer" link next to one of their pending trades, and can see that user "stepcie" has offered to sell the currently-logged-in user pots labor for $25. The user can reach this state by clicking on "Contracts" on the left-side navigation bar. Given any number of offers, the user can accept exactly one by clicking on the corresponding radio button to the left of the offering user's name, and clicking "buy". This will lead to a confirmation pop-up.
Briefing
You are testing an interface (the Midnight Exchange) designed for brothers of Zeta Beta Tau fraternity to trade daily house chores called "midnights." Midnights are assigned by a computer algorithm based on preferences and personal commitments conflict with these assignments on a weekly basis. The purpose of The Midnight Exchange is to allow brothers who cannot fulfill their midnight assignments on certain days to buy, sell, or exchange labor such that these chores are completed.
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