Expected profit

Sign fresh-keeping contract

Do not sign fresh-keeping contract

Sign fresh-keeping contract

$E_{\text{1}}\left(\pi M^{″}\right)$ , $E\left(\pi F^{″}\right)$

0, 0

Do not sign fresh-keeping contract

0, 0

$E_{\text{1}}\left(\pi M^{\prime }\right)$ , $E\left(\pi F^{\prime }\right)$