Expected profit
Sign fresh-keeping contract
Do not sign fresh-keeping contract
Sign fresh-keeping contract
, 
0, 0
Do not sign fresh-keeping contract
0, 0
, 
| Expected profit | Sign fresh-keeping contract | Do not sign fresh-keeping contract |
| Sign fresh-keeping contract |
| 0, 0 |
| Do not sign fresh-keeping contract | 0, 0 |
|