Use the space provided to answer each ques

A reverse straddle spread involves selling an equal number of calls and puts that are written on the same stock and have the same strike price $x$ and time to expiration. Let $N_c=1,N_p=1.(4$ Marks$).$

a$.$ What are the profit ranges at expiration?

b$.$ What is the maximum profit?

c$.$ What is $($are$)$ the breakeven stock price$($s$)?$