An investor utilizes a bull call spread by purchasing a call option for a

premium of $$5.$ The call option comes with a strike price of $$57$ and

expires in Julv $2021.$ At the same time the investor sells a call option

with a strike price of $$82$ and same maturity for a premium of $$20.$ The

underlying asset is the same and is currently trading at $$45.$ Calculate

and draw the payoff of this strategy.

$*$By hand please