A department store surveyed 428 shoppers, and the following information was obtained: 216 shoppers made a purchase, and 294 were satisfied with the...

A department store surveyed 428 shoppers, and the following information was obtained: shoppers made a purchase, and were satisfied with the service they received. If of those who made a purchase were not satisfied with the service, how many shoppers did the following?

(a) made a purchase and were satisfied with the service

(b) made a purchase or were satisfied with the service

(c) were satisfied with the service but did not make a purchase

(d) were not satisfied and did not make a purchase