How can I figure out

Question $3(40$ points$)$

Use the data below to answer questions a$)$ through d$)$ for Malfoy Corporation, which is currently trading for $$31$ per share:

$\backslash$table$[[$Call Options,,Put Options$],[$Strike$,$Bid Price,Ask Price,,Strike,Bid Price,Ask Price$],[$$$20,$$$12\mathrm{.}15,$$$12\mathrm{.}33,,$$$20,$$$0\mathrm{.}76,$$$0\mathrm{.}89$