Answered the first three, need help on the others!!

QUESTION $1$

You buy a call with a strike of $$100.$ If the spot price is $$120$ at expiry, what is your payoff?

$20$

$3$

If instead the spot price at expiry was $$90,$ what would your profit have been?

$-8$

N $5$

You buy a put option with a strike of $$50.$ If the spot is $$55$ at expiry and the option cost $$3,$ what is your profit?

QUESTION $6$

What spot price at expiry would be required for you to break even?

QUESTION $7$

If you sold the put option, what is the most money you could lose?

$($Input your answer as a positive number$)$