Three persons buy cold drinks of different bands A, B, C. The first person buys 12 bottles of A, 5 bottles of B, 3 bottles of C. The second person buys 4 botties of A, 6 bottles of B and 10 bottles of C. The third person buys 6 bottles of A, 7 bottles of B and 9 bottles of C. If each bottle of brand A costs tk. 4, each bottle of B costs tk. 5 and each bottle of C costs 6, then find the total sum of money spent individually by three persons for the purchase of cold drinks.