The salary of Rishi is Rs. 45,000 per month from which he spends 20% on rent, 10% of the remaining on bills, and 20% of further remaining on miscellaneous expenses. From the remaining amount, he gives some money to his wife and the rest he invests in the mutual funds. Money he give to his wife and invested in mutual fund is in a ratio of 5 : 4. Amount spent on rent is how much less/more than the amount invested in mutual funds.