Expenditure of businessman A increased by what percent from 2004 to 2008 ?

If the percent profit earned by all the  given  businessmen together in 2006 was 45, what was the total income of all the given businessmen together in that particular year ? (in INR Thousand)

what is the respective ratio between the total expenditure of all the businessmen together in 2005 and total expenditure of all the given businessmen together in 2007?

If C’s income in 2008 was INR 3,69,000/-, what was the percent profit in that particular year?