Identify which of the three basic sources of income is represented by each of the following:

a. George receives free accommodation from his employer while he is on a deputation.

b. Andrew earns $1,000 annually as dividend on his shares in Facebook.

c. Huaza Lei receives paternity compensation from the state while he stays at home with his child.

d. Stephen receives pension from the state.

e. Livia receives €500 every month as rent on her apartment.

f. Marta receives free meals at her workplace.