(XL) "turnover" means the aggregate amount for which the goods are either bought or sold, supplied or distributed by a dealer, either directly or through another, on his own account or on account of others, whether for cash or for deferred payment or for any other valuable consideration;
Explanation: (I ) The turnover in respect of delivery of goods on hire purchase or on any system of payment by instalments shall be the market price of the goods so delivered.
Explanation (II) The turnover in respect of the transfer of the right to use any goods shall be the aggregate amount received or receivable by the dealer as consideration for such transfer.
Explanation (III) Subject to such conditions and restrictions, if any, as may be prescribed in this behalf,-
(a) the amount for which the goods are sold shall include any sums charged for anything done by the dealer in respect of the goods sold at the time of, or before, the delivery thereof;
(b) any cash discount on the price allowed in respect of any sale or any amount refunded in respect of articles returned by customers shall not be included in the turnover; and
(c) where for accommodating a particular customer, a dealer obtains goods from another dealer and immediately disposes of the same to the said customer, the sale in respect of such goods shall be included in the turnover of the latter dealer but not in that of the former;