Refer to the following regression model for Earnings and Friends made during college: ( E ( Earnings Friends ) = 40 , 000 2 , 000 Friends Louberto has five friends. What are his expected earnings? 1 point Refer to the following regression model for Earnings and Friends made during college: ( E (Earnings Friends ) = 40 , 000 2 , 000 Friends Luna has four friends. What is the expected difference in earnings between Louberto ( 5 friends) and Luna (4 friends)?.