please help!!!!

Goods totaling $13,000 were purchased February 2 on credit, terms of 2/10,n/30. Returns of $1,000 were made on February 10. What is the amount of the discount if paid for on February 14 ? $240.$260.$280. $0. Question 23 Applying the lower-of-cost-or-market rule follows which of the following accounting conventions? Full disclosure Consistency. Materiality. Conservatism