Number of cars sold in Q1 = (9 + 7 + 16 + 12) = 44 thousand Number of cars sold in Q2 = (11 + 9 + 8 + 8) = 36 thousand Number of cars sold in Q3 = (15 + 12 + 9 + 4) = 30 thousand Number of cars sold in Q4 = (6 + 15 + 5 + 8) = 34 thousand Maximum number of cars are sold in Q1