Directions : first bar graph shows total sales amount of three different…

Directions : first bar graph shows total sales amount of three different companies in three different years and second bar graph shows the combined target sales amount of these 3 companies in these 3 years.

If the ratio of sales amount of company Y in 2016 to that of in 2018 is 17:15, then find the average of sale amount of company Y in 2014, 2016 and 2018?(in Rs.)