Study the given graph and answer the question that follows:

Find difference in sale of mobile by dealer A and dealer B over all days from monday to saturday.

62 53 63 78

63

Total sale of dealer A = 75 + 80 +85 +60 + 78 + 100 = 478 Total sale of dealer B = 50 + 60 + 60 +80 + 90 + 75 = 415 Required difference = 478 - 415 = 63