2.The increase in the cost of maintaining Wisma Intan's rooms which is disproportionate to the number of rooms rented shows that these costs are mixed costs. Thus, the management needs information on how much the real fixed costs and variable costs are issued to predict the costs that will be issued. The following is the behavior of the Alia Hotel room maintenance costs for 10 months. Month Maintenance cost Level Occupancy Room Room 123 50 2,000,000 150 2,500,000 225 2,800,000 4 250 3,000,000 5 300 3,500,000 6 350 3,750,000 7 400 4,200,000 8 525 4,500,000 9 600 5,750,000 10 650 6,000,000 3500 38,000,000 Using the Least Square Method, calculate: 1. Variable cost 2. Fixed cost 3. The function of the maintenance cost of Wisma Intan