You are given the following:
The current price to buy one share of XYZ stock is 500.
The stock does not pay dividends.
The annual risk-free interest rate, compounded continuously, is 6%.
A European call option on one share of XYZ stock with a strike price of K that
expires in one year costs 66.59.
A European put option on one share of XYZ stock with a strike price of K that
expires in one year costs 18.64.
Using put-call parity, calculate the strike price, K.