Southeasiem Artinea's dally filight from Alanta to Charlotte uses a Booing 737, with all-coach seating for 120 people. in the past, the airine has preed puory soat at 5139 lor the ore wey fight. An \$53 for early bookingt and at $192 for bockings within 1 week of the fight. He estimates that the airline will soll 64 seats at the lower price and 33 at the higher price. Varlable cont will not changa. Total 5 cantribution in the single price approach is $ (erier your rosponse as a whale number). Total 5 contribution in the two price points approach is 4 (onter your mesponse as a whole number). Which approsch is preferable to Mr. Eriz? A. Current model - single price B. Proposed model - two grice points