Return on Stock Options.Teresa purchased a call option on a stock for $253.

The option allows her to purchase the stock for $43.19

per share if she exercises the option by December 31st. On December 15th, the stock rises to $73.12

per share and Teresa exercises the option. What is Teresa's return?

(Hint: Ignore transaction costs.)

Teresa's return is____%.

(Round to the nearest percent.)