The following pie chart shows the ratio of the amount of imports by a company to the amount of exports from that company from 2013 to 2019.If the imports in 2016 were Rs. 250 million and the total exports in the year 2016 and 2017 together were Rs. 500 million, then the imports in 2017 were:

• A. Rs. 420 million
• B. Rs. 320 million
• C. Rs. 520 million
• D. Rs. 620 million