Study the following table and answer the question:
Production and Export of cement by companies A and B from 2017 to 2020 (in million tonnes)
| Year | Company A | Company B | ||
|---|---|---|---|---|
| Production | Export | Production | Export | |
| 2017 | 250 | 170 | 320 | 190 |
| 2018 | 340 | 275 | 360 | 280 |
| 2019 | 370 | 220 | 425 | 320 |
| 2020 | 450 | 245 | 470 | 275 |
The total export of cement by both the companies in 2017 and 2019 is what percentage less than the total production of cement by the two companies in 2018 and 2020 (correct to one decimal place)?
- A45.5%
- B44.4%
- C43.2%
- D43.8%
Correct answer: B