The following bar graph shows the sales of two wheelers from three different branches of a company during two consecutive years 2018 and 2019. What is the average sale of all the branches in the year 2019?

1900 2000 1500 1700

1700

Average sale of all branches in 2019 = \(\frac{1900+2100+1100 }{3}\)  = \(\frac{5100 }{3}\) = 1700