Match the items of the List-I with those of List-II and suggest the correct answer from the following.

List-I	List-II
a. GDP	1. National income
b. GDP at factor cost	2. NDP plus net flow of income from abroad
c. NNP at factor cost	3. Money value of final goods and services produced
d. NNP	4. Total gross value added by all enterprises in the economy

A. a-1, b-3, c-2, d-4

B. a-3, b-4, c-1, d-2

C. a-4, b-3, c-2, d-1

D. a-2, b-1, c-4, d-3

Answer: Option B