Beyonce and Lady Gaga enter into partnership. Beyonce said that she will invest the whole amount of Rs.45000. She make this deal on a condition that profits should be equally divided and Gaga pays interest to Beyonce on half of the investment 10% per annum, but receives Rs.120 per month for carrying on the concern. Find their total yearly profit when Gaga's income is one half of Beyonce's income.