A European call option on XYZ stock with an exercise price of $95 and an expiration date 1 year from now is worth $4.50 today. A European put option on XYZ stock with an exercise price of $95 and an expiration date 1 year from now is worth $4.00 today. The risk-free rate of return is 6% and XYZ pays no dividends. According to the put-call parity formula, the stock should be worth _____ today.