Statistics from New State Electric Company's annual report are presented below. Operating revenues 2019 $180,000 2018 $164,000 Operating expenses 127,000 115,000 Interest expenses 31,000 27,000 Income taxes 12,000 10,000 Earnings available for common stock 8,000 9,000 Net plant (operating property) 690,000 604,000 Current assets 66,000 53,000 Total assets 770,000 665,000 Shareholders' equity 262,000 251,000 Long-term debt 308,000 286,000 Current liabilities 181,000 119,000 Total liabilities and shareholders' equity 770,000 665,000 Required: Compute the following ratios for 2019 and 2018 1 Ratio that measures sources of funds used to acquire property 2. Ratio that relates net earnings to assets that are primarily intended to generate earnings 3. Ratio that is basically an assets turnover 4. Ratio that measures the operating efficiency