A stock has been trading in a narrow range around $50 per share for months, and you believe it is going to stay in that range for the next 3 months. The price of a 3-month put option with a strike price of $50 is $4. The risk-free (annually compounded) interest rate is 10% per year. a) What must be the arbitrage-free price of a 3-month at-the-money call option on the stock with a strike price of $50

The usa today reports that the average expenditure on valentine's day is $100.89. do male and female consumers differ in the amounts they spend? the average expenditure in a sample survey of 47 male consumers was $135.67, and the average expenditure in a sample survey of 38 female consumers was $68.64. based on past surveys, the standard deviation for male consumers is assumed to be $34, and the standard deviation for female consumers is assumed to be $17.