You buy $100$ put options on Tua Inc Stock. Currently, the stock is priced at $$\frac{65}{?}$ share. The put option is priced at $$\frac{2\mathrm{.}00}{?}$ share and the strike price is $$\frac{64}{?}$ share. What would you do if at expiration, the stock is selling at $$\frac{67\mathrm{.}50}{?}$ share.