There are two producers of smartphones. Smart phones are have a screen from 2 inches in height to 5 inches in height. Consumer only care about screen size and, specially their ideal screen size is distributed uniformly between2 to 5 inches. Consumer will buy the smart phone with a screen size closet to their ideal screen size. A nash equilibrium for these two producers is described by?

a.One firm producers a smart phone with a 2 inch screen and the other with a 5 inch screen

b. one to make the screen 3 inches and the other 4 inches.

c.Both firms to make a smart phone 3.5 inches

d.There is no nash equilibrium(in pure strategies)

e.None of these answers