In a society, there are 100 members. Each of them has been allotted membership number from 1 to 100. They started a business in which the nth member contributed Rs (10x2n-5). After one year, 4th member gets Rs.62 as his share. Find the total profit in the business after one year.

• A. Rs 8[2100-26]
• B. Rs 4[2100-26]
• C. Rs 2[2100-26]
• D. None of these