Ram spend 20 of his monthly income on rent 10 from the remaining income he spends on food 30 on trav...........

Ram spend 20% of his monthly income on rent, 10% from the remaining income he spends on food, 30% on travel and 2/5th amount he gives to his mother. If the difference between amount he spends on travel & amount he gives to his mother is Rs. 11200, then find the monthly income of Ram?