Read the passage and answer the questions below.

Students in a college are discussing two proposals --

A: a proposal by the authorities to introduce dress code on campus, and

B: a proposal by the students to allow multinational food franchises to set up outlets on college campus.

A student does not necessarily support either of the two proposals. In an upcoming election for student union president, there are two candidates in fray: Sunita and Ragini. Every student prefers one of the two candidates.

A survey was conducted among the students by picking a sample of 500 students. The following information was noted from this survey.

1. 250 students supported proposal A and 250 students supported proposal B.

2. Among the 200 students who preferred Sunita as student union president, $80 \%$ supported proposal A.

3. Among those who preferred Ragini, $30 \%$ supported proposal A.

4. $20 \%$ of those who supported proposal B preferred Sunita.

5. $40 \%$ of those who did not support proposal B preferred Ragini.

6. Every student who preferred Sunita and supported proposal B also supported proposal A

7. Among those who preferred Ragini, $20 \%$ did not support any of the proposals.