100 students wrote the examinations in Physics (P), Chemistry (C), and Biology (B). All Chemistry students wrote Biology. Also: n(PNCnB) = 8, n(B U C) = 76, niBNO=37. n PUC' = 28. (a) How many students wrote Biology and Chemistry only? no sd2 prilol (b) Determine how many students wrote Physics and Biology only. (c) Calculate how many students wrote Physics only. (d) Draw a Venn diagram to illustrate the data