Assume an investor buys a put option on XYZ stock with a strike price of $50 for $4 when the stock is trading for $52. What is the investor's break-even stock price? Enter your answer as a number with no dollar sign.

The price of a European call that expires in six months and has a strike price of $30 is $2. The underlying stock price is $29, and pays no dividends. The term structure is flat, with all risk-free interest rates being 10%. What must be the price of a European put option that expires in six months and has a strike price of $30? Please enter your answer rounded to two decimal places with no dollar sign.