Financial Derivates specialists!!!!!

plz solve those small questions

A trader writes 7 naked call and 12 naked put option contracts, with each contract being on 100 shares. The call option price is $8, the time to maturity is six months, and the strike price is $72. The put option price is $6, the time to maturity is six months, and the strike price is $72. a) What is the margin requirement for writing the call options if the stock price is $65 ? (2 pts) b) What is the margin requirement for writing the put option if the stock price is $65 ? ( 2 pts) c) What is the margin requirement for writing the call options if the stock price is $75 ? (2 pts) d) What is the margin requirement for writing the put option if the stock price is $75? ? 2 pts)