The following chart shows the sales (in thousands) of pens, pencils and books in month1, month2 and month3. Answer the question based on the chart.

Which month has the highest sales?

Month 2

Sale of month 1 = 5.6 + 6.7 +4.5 = 16.8

Sale of month 2 = 4.9 + 7.3 + 5.7 = 17.9

Sale of month3 = 4.6 + 6.2 + 6.3 = 17.1

Sale of month 2 is highest.