On Saturday, the school had organized a picnic for the students. The ratio of girls to boys is 4 ∶ 3. Out of the total number of visitors to a picnic spot on Saturday, 30 % are school students. The cost of one ticket for school girl is Rs. 300, the cost of 1 ticket for a schoolboy is Rs. 400 and for visitors other than school is Rs. 500. If the total number of visitors on Saturday is 700. Find the amount collected from tickets.