Study the given table and answer the question that follows. Items Food Labour Raw material Cloth Yearly Expense (in thousand rupees) 10 15 16 9 The combined expenses on food and on labour is what percentage of the total expenses on all the four items taken together?

40% 15% 25% 50%

50%

Total expense on all four items = 10 + 15 + 16 + 9  = 50 Combined expense on food and on labour = 10 + 15 Required percentage = \(\frac{25 }{50}\) × 100 = 50%