Sam Expressed Interest in Buying a Painting from Jasper,whose Asking

Sam expressed interest in buying a painting from Jasper,whose asking price was $15,000.Sam was only willing to offer $13,000.Jasper told him that it was a very old painting worth a fortune and that others would gladly pay $20,000 for it.Sam decided to buy the painting for $15,000 on the condition that if he found that the painting was worth less than $15,000,Jasper would have to take the painting back and refund Sam.Which of the following warranties did this sales contract have?

A) an implied warranty of merchantability
B) an express warranty
C) a statement of opinion
D) an implied warranty of fitness