Probability question , please answer quickly

2 A large corporation obtains their products from 2 distinct manufacturers. Manufacturer A produces 15,000 units and manufacturer B produces 2,000 units. When inspected it is found that items produced by A have a rejection rate of 12%. For manufacturer B the rejection rate is 10%. Items are rejected if they are of subpar quality, if not they are accepted. If we select at random 1 item from the combined shipments, then: 4.2.1 Draw a tree diagram representing the situation. [2] 4.2.2 Determine the probability that the item we pick is accepted. [1]