The contingency table below categorizes sampled Blair County residents according to their job classification and their political affiliation.

Republican	Democrat	Independent	Row Totals
Service	34	21	3
Manufacturing	22	19	5
Office	36	4	2
Column Totals	92	44	10

A person from Blair County is chosen at random.

a) Calculate the probability that the person is a Democrat and works in Manufacturing.

b) Calculate the probability that the person is Independent or works in an office.

c) Calculate the probability that the person is a Republican given that they work in Manufacturing.

d) Calculate the probability that the person works in Service, given that they are a Republican.