In a home theater system, the probability that the video components need repair within 1 year is 0.04, the probability that the electronic components need repair within 1 year is 0.006, and the probability that the audio components need repair within 1 year is 0.004. Assuming that the events are independent, find the following probabilities.
(a) At least one of these components will need repair within 1 year
(b) Exactly one of these component will need repair within 1 year