Incomes of 'A' and 'B' are in the ratio 2:3, respectively while their expenditures are Rs. 12,000 and Rs. 18,000, respectively. If the ratio of income to the expenditure of 'C' is equal to the ratio of savings of 'B' and 'A', respectively, then find the amount spent by 'C' on travel given that 25% of his expenditure goes towards travel and his income is Rs. 45,000.