A new apartment complex with 90 one bedroom apartment units and 100 two bedroom apartment units was built near a lake. rental prices that will provide full occupancy are estimated as $1200 for one bedroom unit and $1800 for two bedrooms unit. a market survey suggests that for every $20 increase in price of two bedrooms unit two less customers will sign a lease. what rental price should the manager charge to maximize revenue?

rental price for one bedroom apartment $_
rental price for two bedroom apartment$_