The question below is followed by three statements I, II, and III. Mark the statement/s that are sufficient to answer this question:

Under the UDAAN scheme, various domestic airlines are running flights between prospect lucrative tier 2 cities in India. One such flight is Flight# FA1234 that flies between Agartala and Nagpur.

How much revenue does this flight earn from the sale of Executive class tickets?

I. Ratio of Business class and Executive class fares between Agartala and Nagpur is 6: 4

II. Ratio of the number of passengers in Business and Executive classes is 3: 5

III. Total revenue earned between the two cities in a single flight is 72,000 INR.