Solve clearly

Index A Index B Index C Year (1954=100) (1969=100) (1975=100) 100 100 1954 100 x 100 = 50 x 50 = 25 200 200 100 100 1960 120 x 120 =60 X 60 =30 200 200 1969 200 100 100 x 100 = 50 200 1975 200 100 1985 120 In 2003 for working class people wheat was selling at an average price Rs. 120 per 20 kg, cloth Rs. 20 per metre, house rent Rs.300 per house and other items Rs. 100 per unit. By 2004 cost of wheat rose by Rs. 180 per 20 kg, house rent by Rs. 450 and other items doubled in price. The working class cost of living index for the year 2004 with 2003 as base was 160. By how much the cloth rose in price during the period