please help and ahiw me how you went about it

3. At ADR of $70, Hotel 2313 is currently selling 50 rooms. Through a market research, the hotel found out that: Scenario 1) By cutting the ADR to $60, it will sell 60 rooms Scenario 2) By cutting the ADR to $45, it will sell 65 rooms Compute the point-elasticities for each scenario. What would be your recommendation on the change to Hotel 2313's ADR