3. The hospital's laboratory costs include two components: (a) $40,000 per month for compensation of personnel and depreciation on equipment and (b) $10 per patient day for chemicals and other materials used in performing the tests. Note: Base your second point on the total cost line on 4,000 patient days and your point on 3,000 patient days. Cost per month (In dollars) $80,000 $70,000 $60,000 $50,000 $40,000 $30,000 $20,000 $10,000 0 1,000 2,000 3,000 4,000 Patient days Tools Total Cost Point 1