1. What is the gross income level at which each of the following must file a return (A) married living with spouse separate return age 66 in 2016 (B) married living with spouse separate return age 44 in 2016 (C) married not living with spouse separate return age 66 in 2016
2. A put option and a call option with an exercise price of $50 and three months to expiration sell for $1.15 and $5.20, respectively. If the risk-free rate is 4.5 percent per year, compounded continuously, what is the current stock price? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Current stock price $