In the town of Maplewood a certain type of DVD player is sold at just two stores. 35% of the sales are from store A and the rest of the sales are from store B. 3% of the DVD players sold at store A are defective while 9% of the DVD players sold at store B are defective. If Kate receives one of these DVD players as a gift and finds that it is defective, what is the probability that it came from store A