Teresa purchased a call option on a stock for $$$$482.$ The option allows her to purchase the stock for $$$$33\mathrm{.}86$ per share if she exercises the option by December $31$st$.$ On December$15$th$,$ the stock rises to $$$$47\mathrm{.}22$ per share and Teresa exercises the option. What is$$ Teresa's return? $($Hint: Ignore transaction$$ costs.$)$