A company issued for public subscription 40,000 equity shares of Rs. 10 each at a premium of Rs. 2 per share payable as under: On application Rs. 2 per share, on allotment Rs. 5 per share (including premium), on first and final call Rs. 5 per share. Applications were received for 60,000 shares. Allotment was made on pro-rata basis to all the appplicants. Money overpaid on applications was applied towards sum due on allotment. 'A' to whom 1,000 shares were allotted, failed to pay the allotment and call money. 'B' to whom 2,000 shares were allotted, failed to pay final call. The shares of 'A' and 'B' were subseq