Can you please show me how to get the correct answers for all the parts of the problems?

the margin requirement is $5,000 a contract. The maintenance margin requirement is $1,500. You expect the price of gold to rise and enter into a contract to buy gold. a. How much must you initially remit? b. If the futures price of gold rises to $1,255, what is the profit and percentage return on your position? c. If the futures price of gold declines to $1,248, what is the loss and percentage return on the position? d. If the futures price falls to $1,238, what must you do? e. If the futures price continues to decline to $1,210, how much do you have in your account? f. How do you close your position