1 Companies A, B, and C produce 40%, 40%, and 20%, respectively, of the major appliances sold in a certain area. In that area, 5% of the company A appliances, 4% of the company B appliances, and 2% of the company C appliances need service within the first year. Suppose a defective appliance is chosen at random; find the probability that it was manufactured by Company B. The probability that it came from company Bis (Type an integer or decimal rounded to four decimal places as needed.)