Solved by a verified expert :Draw graphs of the following relationships. (Hint: First decide which variable is dependent/independent, then consider the relationship between the variables)(a)Lecture time and attention span, all else equal(b)A firm’s costs and profits, all else equal(c)Economic output (production) and the level of capital, all else equal(d)The long term cost of gasoline and the number of Sports Utility Vehicles (SUVs) on the road