21) C
Sales in 2011 = 5727 million litres
Reduction = 10% of 5727 = 572.7
New sale = 5727 – 572.7 = 5154.3 million litres ≈ 5100
Tax = 20p per litre
Tax = £0.20 x 5100 = £1020 million
This is closest to £1031 million, so C is the answer
21) C
Sales in 2011 = 5727 million litres
Reduction = 10% of 5727 = 572.7
New sale = 5727 – 572.7 = 5154.3 million litres ≈ 5100
Tax = 20p per litre
Tax = £0.20 x 5100 = £1020 million
This is closest to £1031 million, so C is the answer