On January $31$st$,$ a put option on Bio Chemicals is available that comes due in March at a price of $$40.$ The current quote on the option is $$3\mathrm{.}60$ bid and $$3\mathrm{.}85$ ask and the last trade was at $$3\mathrm{.}65.$ The market price of the shares on January $315$ was $$44\mathrm{.}50.$ There are currently $60$ options outstanding. What is the strike price of the put option? $$ a$)$ $$3\mathrm{.}65$ b$)$ $$4\mathrm{.}50$ c$)$ $$40\mathrm{.}00$ d$)$ $$44\mathrm{.}50$