DN Ltd issued 50,000 shares of Rs. 10 each payable as Rs. 2 per share on application, Rs. 3 per share on allotment and Rs. 5 on first and final call. Applications were received for 70,000
shares. It was decided that

Refuse allotment to the applicants of 10,000 shares.
Allot 20,000 shares to Mohan who had applied for similar number.
Allot the remaining shares on pro-rata basis.
Mohan failed to pay the allotment money and Sohan who belonged to the category (iii) and was allotted 3,000 shares paid both the calls with allotment. Calculate the amount received on allotment.