Item Amount Spent (N) Food 4,500 House Rent 3,000 Provisions 2,500 Electricity 2,000 Transportation 5,000 Others 3,000 Total 20,000 Items in degrees : Food : \(\frac{4500}{20000} \times 360^\circ = 81^\circ\) House rent : \(\frac{3000}{20000} \times 360^\circ = 54^\circ\) Provisions : \(\frac{2500}{20000} \times 360^\circ = 45^\circ\) Electricity : \(\frac{2000}{20000} \times 360^\circ = 36^\circ\) Transportation : \(\frac{5000}{20000} \times 360^\circ = 90^\circ\) Others : \(\frac{3000}{20000} \times 360^\circ = 54^\circ\) (a) Pie chart : (b) Percentage of his income spent on transportation : \(\frac{5000}{20000} \times 100% = 25%\)