With reference to the demand-pull inflation, which of the following causes is/are correct?
Select the correct answer using the code given below:
A. 1, 2, 3, 4 and 7
B. 3, 4, 5, 6 and 7
C. 1, 3, 5 and 6
D. 1, 2, 3, 4, 5, 6 and 7