The common stock of Triangular File Company is selling at $90. A 26-week call option written on Triangular Files stock is selling for $8. The calls exercise price is $100. The risk-free interest rate is 10% per year.

Suppose that puts are traded. What should a 26-week put with an exercise price of $100 sell for?

Note: Do not round intermediate calculations. Round your answer to 2 decimal places.