Buyer enters a paint store and tells the sales associate that she needs paint that will cover and stick to a stucco wall.The associate tells her that most paint won't do this, but Magnet Paint will do the trick.Buyer purchases several gallons of Magnet Paint, but three weeks later it washes off the stucco wall.This would be a breach of which kind of warranty?

a. implied warranty of merchantability.

b. express warranty.

c. warranty of title.

d. implied warranty of fitness for a particular purpose.