4. Jaya Ltd. Issued 100,000 equity shares. The whole of issue was underwritten as: A: 50%: B: 25%: C: 25%. Applications for 80,000 shares were received in all, out of which applications for 20,000 shares had the stamp of A, those for 10,000 shares that of B and those of 20,000 shares that of C. The remaining applications for 30,000 shares did not bear any stamp. Determine their liabilities. (15 point)