You write a call option with $x=$$$50$ and buy a call with $x=$$$60.$ The options are on the same stock and have the same expiration date.

One of the calls sells for $$3$; the other sells for $$9.$

a$.$ Draw the payoff graph for this strategy at the option expiration date.

b$.$ Draw the profit graph for this strategy.

c$.$ What is the break$-$even point for this strategy?

d$.$ Are you bullish or bearish on the stock?