Use the following to answer questions 14-17: A particular electronic component is produced at two plants for an electronics manufacturer. Plant A produces 60% of the  components used and the remainder are produced by plant B. The proportion of defective components produced at plant A is 1% and the proportion of defective com ponents produced at plant B is 2%.
【題組】14. The proportion of defective components that the electronics manufacturer receives from thesetwo plants is
(A) 0.014.
(B) 0.015.
(C) 0.016.
(D) 0.018.