12. You are managing thirty or so short-term rental apartments. Your aim is to maximise rental revenue. Very rarely do you hit the full capacity, except during Christmas holidays. Your leases {rentals} are often short term and they are calculated on a daily rate basis. Most of the leases are for seven to fteen days, though you are open to any length of time beyond a minimum of three days. The rental elasticity is calculated to be around 1.52, though it does not stay constant. To maximize your revenue [select only one item and enter 1, 2, .. .4 in the template]: 1. You do not change your rates at all. 2. You increase your daily rates. 3. You lower your daily rates. 4-. The use of elasticity is completely irrelevant to rental revenue