Below is Pilipinas Shell' balance sheet and income statement. Solve for the following:

Operating margin
Profit margin
Return on total assets
Basic earnings power
Return on equity
Current ratio
Quick ratio
Earnings per share
Price-earnings ratio
Market-Book value ratio
Inventory turnover
Days sales outstanding
Accounts receivable turnover

  
 
 
 

2019 31/12 2018 31/12 2017 31/12 2016 31/12 Period Ending: Total Current Assets 47469.4 40778.56 45876.26 38856.35 Cash and Short Term Investments 4778.88 4455.12 6163.26 4274.27 Cash 4778.88 4455.12 6163.26 4274.27 Cash & Equivalents Short Term Investments Total Receivables, Net 15960.15 14076.72 13808.33 13382.02 Accounts Receivables - Trade, Net 12312.57 10819.45 9737 7707.21 Total Inventory 25422.72 19642.84 21671.21 16381.4 Prepaid Expenses 1143.1 2448.85 3870.56 4271.25 Other Current Assets, Total 164.55 155.03 362.89 547.41 Total Assets - 102919.47 80166.38 81877.01 70609.25 Property/Plant/Equipment, Total - Net 43574.89 28128.72 25434.37 23378.32 Property/Plant/Equipment, Total - Gross 79346.33 63368.65 58893.21 55227.34 Accumulated Depreciation, Total -35771.44 -35239.93 -33458.83 -31849.03 Goodwill, Net Intangibles, Net 103.42 55.73 60.91 8.63 Long Term Investments 30.53 74.84 413.77 380.91 Note Receivable - Long Term 4592.32 4584.16 4238.96 4008.21 Other Long Term Assets, Total 7148.9 6544.37 5852.73 3976.84 Other Assets, Total