Read the following statements and mark your answer according to the given below.
1. For variable input APP = MPP in the first stage.
2. For variable input APP = MPP at the end of the 1^st stage.
3. For variable input APP = MPP at the start of 2^nd stage.
4. For variable input APP = MPP in the 2^nd stage.

A. 1 and 3

B. 1 and 4

C. 2 and 3

D. 2 and 4

Answer: Option C