Mr.Ashok was getting Rs. 400 in the base year and Rs.800 in the current year

Mr.Ashok was getting Rs. 400 in the base year and Rs.800 in the current year. If Consumer Price Index
is Rs. 350, then what extra amount is required for maintaining the earlier standard of living?

For former standard of living, Ashok should get =400x350/100= 1400

.-. Amount required for maintaining the same standard of living = 1400 - 800 = Rs. 600