What is the sum of the average per cent profit earned by company B and A over all the years together...........

Quantitative Aptitude ( CCS) Line Chart

Percent profit made by two companies over the years.
Percent Profit = [(Income – Expenditure)/Expenditure]*100

What is the sum of the average per cent profit earned by company B and A over all the years together?

69.16

79.16

89.16

59.16

Explanation :
Average per cent profit earned by company B = 235/6 = 39.16
Average per cent profit earned by company A = 240/6 = 40
Sum = 79.16

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