please help calculate basic earning power ratio, operating margin and earning per share ratio. thank you

S ASSETS Current assets: Cash and cash equivalents Short-term investments Accounts and other receivables Inventories of parts and supplies, at cost Prepaid expenses and other current assets Total current assets 1.854 1,835 568 461 1,495 1.778 662 420 460 310 5,028 4.815 Property and equipment, at cost: Flight equipment Ground property and equipment Deposits on flight equipment purchase contracts Assets constructed for others 21.753 4,960 775 1.768 29.256 9,731 19,525 970 21,368 4.399 919 1,543 28.229 9,690 18,539 970 786 25.110 Less allowance for depreciation and amortization Goodwill Other assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts payable Accrued liabilities Air traffic liability Current maturities of long-term debt Total current liabilities 1.416 1.749 1.320 1,700 3,495 4,134 606 7,905 348 6,863 2.771 936 2,427 1,701 650 3,320 1,070 2.119 1,390 707 Long-term debt less current maturities Air traffic liability - noncurrent Deferred income taxes Construction obligation Other noncurrent liabilities Stockholders' equity Common stock. $1.00 par value: 2,000,000,000 shares authorized: 807,611,634 shares issued in 2018 and 2017 Capital in excess of par value Retained earnings Accumulated other comprehensive income Treasury stock, al cost: 255,008,275 and 219,060,856 shares in 2018 and 2017 respectively Total stockholders' equity sos 1.510 15.967 808 1.451 13,832 12 (8,452) 9,853 26.41 9,611 25.110 Southwest Airlines Co. Consolidated Statement of Income (in millions, except per share amounts) 2018 Year ended December 31, 2017 As Recast 3Rlecast As Recast 20,455 $ OPERATING REVENUES: Passenger Freight Other Total operating revenues 175 1,335 21,965 19,763 173 1,210 21.146 19,068 171 1,050 20,289 OPERATING EXPENSES: Salaries, wages, and benefits Fuel and oil Maintenance materials and repairs Landing fees and airport rentals Depreciation and amortization Other operating expenses Total operating expenses 7.649 4.616 1.107 1,334 1,201 2.852 18,759 7,305 4,076 1,001 1,292 1,218 2,847 17,739 6,786 3,801 1,045 1,211 1,221 2.703 16,767 3,206 3,407 . 3.522 OPERATING INCOME OTHER EXPENSES (INCOME): Interest expense Capitalized interest 131 (38) (69) 18 Interest income Other (gains) losses, net Total other expenses (income) 114 (49) (35) 112 142 42 72 INCOME BEFORE INCOME TAXES PROVISION (BENEFIT) FOR INCOME TAXES NET INCOME 3.164 699 3,265 (92) 3,357 3,450 1.267 2.183 2,465 $ $