Swiss Ltd. issued 40,000 equity shares of ₹ 10 each at par. The entire issue was underwritten as follows:
A ---- 24,000 shares (firm underwriting 3,200 shares);

B ---- 10,000 shares (firm underwriting 4,000 shares);

C ---- 6,000 shares (firm underwriting 1,200 shares) The total applications including firm underwriting were for 28,400 shares. The marked applications were as:

A ---- 7,200 shares;

B ---- 9,000 shares;

C ---- 3,200 shares. The underwriting contract provides that credit for unmarked applications be given to the underwriters in proportion to the shares underwritten. Determine the liability of each underwriter and the amount of commission payable to them assuming it is the maximum allowed by law.