$5.$Listed options quotations for GNR Corporation.

suppose you want the right to buy $300$ shares of for $$50GNR$ sometimes between now and FEB. What would you buy? How much would you have to pay?

Suppose you hold on to your contracts until FEB rolls around and they are just about to expire. What are your gains or losses if GNR is selling for $$65$ per share? What about $$42$ per share?

$.$ Suppose you want the right to sell $400$ shares of GNR for $$55$ sometimes between now and Jan. What would you buy? How much would you have to pay?

Suppose you hold on to your contracts until Jan rolls around and they are just about to expire. What are your gains or losses if GNR is selling for $$68$ per share? What about $$40$ per share?