The table given below shows the income and expenditure of a company in five years. Years Income Expenditure A 350 150 B 250 100 C 200 150 D 400 100 E 150 75 Saving = Income - Expenditure What is the average saving in all years?

45 145 175 155

155

Total saving of all years = (350 - 150) + (250 - 100) + (200 - 150) + (400 - 100) + (150 - 75) = 200 + 150 + 50 + 300 + 75 = 775 Average = \(\frac{775}{5}\) = 155