12.A manufacturer buys 80% of its materials from Co.K, which usually has 4% defective. Company L supplies the other 20% of materials, which usually has 6% defective. Find probability of a defective item if it came from K.P(D|K)= Find probability of a defective item if it came from L.P(D|L)= Find the probability of selecting an item that is both defective and came from company K. P(K and D)=