Directions : Study the following information carefully and answer the given questions: The following bar graph shows the production of mobiles (In thousands) of different companies in two different years.

The 20% of the mobiles exported by company B in 2016 are defective while the ratio between the defective mobiles exported by company B in the year 2016 and2017 is 7 : 5 and the percentage of defective mobiles out of total export by company B in 2017 is 13.5% then find the percentage of mobile exported by company B out of total production?