I have absolutely no idea where to even begin....can't tell you how lost I am. Please, someone explain this to me and the steps I need to take

Using only call options, put options, and the underlying stock, find a portfolio that will replicate the following payoff diagram (make sure you specify wicther you are long or short, how many options or hares you are buying or selling. and the exercise prices for all options). Payoff 10 20 0 shgr 2.5 c alls -25 /.ng hg 2.5 Calls (x:30) 3.5 50