Carlson Inc.'s stock currently trades at $80. A 3-month European put option on the stock trades for $2. 3-month European call options on Carlson sell for $.80 and have the same strike price as the put options. The annual risk-free rate is 4%. Find the exercise price both options share that allows put-call parity to hold. Round intermediate steps to four decimals and your final answer to two decimals. Do not use the dollar sign when entering your response.