The probabilities that a TV station will receive \(0,1,2,3, \ldots, 8\) or at least 9 complaints after showing a controversial program are, respectively, \(0.01,0.03,0.07,0.15,0.19,0.18,0.14,0.12,0.09\), and 0.02. What are the probabilities that after showing such a program the station will receive

(a) at most 4 complaints;

(b) at least 6 complaints;

(c) from 5 to 8 complaints?