1. The LaSorda Inn's condensed income statement for 20x3 and 20x4 is as follows: 20x4 Rood Revenue Room department expenses 20x3 $3,450,000 $3,675,000 1,450,000 1,500,000 Undistributed operating expenses 800,000 875,000 Gross operating profit 1,200,000 1,300,000 Insurance, property taxes, and depreciation 400,000 450,000 Interest expense 100,000 90,000 Income before income taxes 700,000 760,000 Income tases 210,000 228,000 Net income $490,000 $532,000 The Lasorda Inn has 100 guestrooms only and its paid occupancy percentage was 78 percent and 80- percent for 20x3, respectively. Assume all rooms in the hotel were available for sale. Q: Calculate the following for 20x3 and 20x4. 1) Profit margin 2) RevPAR 3) ADR 4) Operating efficiency ratio '