7. Rice Co. sold for $12,000 inventory that had cost $8,000. Freight terms for the sale were FOB destination and payment terms were 1/10, n/30. Rice records sales transactions at the gross amount. Rice paid freight costs of $400 in cash. The receivable was collected within the discount period. Based on this information alone, the amount of gross margin would be

		a. $3,480
		b. $3,880
		c. $3,600
		d. $4,000