A Call option has an exercise price of $100;

the current price of its support is $130; its expiry is one month from now.

If the current call premium is $5,

and its support price at the expiry is $120, then

the call buyer will have a pay-off of ($ ) and a profit of ($ );

the call writer will have a pay-off of ($ ) and a profit of ($ )

at expiry.