3.3 Consider this income statement: Green Valley Nursing Home, Inc. Statement of Income Year Ended December 31, 2011 Revenue: Net patient service revenue Other revenue Total revenues $3,163,258 106,146 $3,269,404 Expenses: Salaries and benefits $1,515,438 Medical supplies and drugs 966,781 Insurance and other 296,357 Provision for bad debts 110,000 Depreciation 85,000 Interest 206,780 Total expenses $3,180,356 Operating income $ 89,048 Provision for income taxes 31,167 Net income $ 57,881 a. How does this income statement differ from the ones presented in Exhibit 3.1 and Problem 3.2? b. Why does Green Valley show a provision for income taxes while the other two income statements did not c. What is Green Valley's total profit margin? How does this value com- pare with the values for Sunnyvale Clinic and BestCare? d. The before-tax profit margin for Green Valley is operating in come divided by total revenues. Calculate Green Valley's before tax profit margin. Why may this be a better measure of expense control when comparing an investor-owned business with a not- for-profit business