pls help!

Lakeview Apartments is an 800 -unit apartment complex. When the apartments are 90% occupied, monthly operating costs total $220,040. When occupancy dips to 80%, monthly operating costs fall to \$215,480. The owner of the apartment complex is worried because many of the apartment residents work at a nearty manifacturing plant that has just announced will close in three months. The apartment owner fears that occupancy of her apartments will drop to 55% it residents lose their jobs and move away. Assuming the same relevant fange, what can the owner expect her operating costs to be if occupancy fals to 55% ? Lef's begin by determining the formula that is used to calculale the variable cost (slope). Change in cost Now determine the formula that is used to calculate the faxed cost component. Total operating cost Total variable cost Use the high-low method to determine Lakeviews operating cost equation y=x+ Assuming the same relevant range, what should the owner expect her oporaing costs to be if occupancy fals to 65% (Round your answer to the nearest wholn dollar) The owner should expect her operating costs to to I eceupancy fals to SS\%