The given bar graph represents the income and expenditure of a person during the four consecutive months, April to July, 2019. What is the average expenditure of the person?

₹17,520 ₹17,250 ₹13,750 ₹15,570

₹13,750

Average expenditure = \(\frac{7 + 13 + 25 + 10  }{4}\) = \(\frac{55  }{4}\) = 13.75 ( in thousand ) = Rs. 13750