The following transactions of M&B Merchandise Company are given:

January 2, 2019	Purchased merchandise for TL 23.000 under the condition 10/6; n/30.
January 4, 2019	Returned merchandise worth TL 6.000.
January 6, 2019	Sold merchandise for TL 8.000 under the condition 4/7; n/30. The cost of merchandise sold was TL 5.000.

If the payment for the purchase is done on January 7, the amount to be paid is:

		23.000 TL
		20.700 TL
		15.300 TL
		17.000 TL