In 2021, in a city 30% of the people were vaccinated by Covid 19 vaccinations in the month of June, 50% of the remaining in July and 20% of the remaining in August. Still 84000 are left for vaccination. Find the total population of the city.(Everyone in the town is eligible for the vaccination)

A

3 lakh

B

3.5 lakh

C

4 lakh

D

3.10 lakh