Directions: Study the following information carefully and answer the given questions.

Four persons (Lala, Babu, Thakur and Seth) started a business together by investing the amount of Rs. 30000, Rs. 45000, Rs. 75000 and Rs. 90000 respectively. After 4 months, Lala and Thakur increased their initial investment by 20% and 40% respectively. At the end of the year, they earned a total profit of Rs. 257400. 

Later on, two persons Pandit and Mistry borrowed Lala and Thakur’s Share. Both of them agreed to pay 8% simple interest over a 4-year period. Additionally, another person Sardar borrows Babu’s Total Amount (i.e., Initial Investment + Share) for 2 years at a compound interest rate of 6% per annum.