The following pie chart shows percentage expenditure of a country on different heads. The total expenditure is ₹ 1,680 (in billions). Study the chart and answer the question. The central angle of the sector representing expenditure on Subsidy is :

54.9° 90° 108.3° 75.6°

75.6°

Central angle of the sector representing expenditure on Subsidy =  \(\frac{21}{100}\) × 360º = 75.6º