With reference to Prime Minister's Officer (PMO) which one of the statements is/are correct?

1. It came into existence in 1977
2. It is headed by the Cabinet Secretary.

Select the correct answer from the codes given below:
Codes:

A) Only 2

B) Both 1 and 2

C) Only 1

D) Neither 1 nor 2

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2019 (GS Paper I)