How do I calculate the Average Common Stockholders Equity?

PR 14-4B Nineteen measures of solvency and profitability OBJ. 2, 3 The comparative financial statements of Stargel Inc. are as follows. The market price of Stargel Inc. common stock was $119.70 on December 31, 2016 Stargel Inc. Comparative Retained Earnings Statement For the Years Ended December 31,2016 and 2015 2016 75,000 $4,545,000 900,000 2015 925,000 $5.470,000 Add net income for year Deduct dividends: 50,000 50,000 .95,00095,000 Dec. 31,2016 Dec. 31,2015 Assets Current assets: 1,000,000 510,000 950,000 229,000 3690,000 $3,089,000 2,300,000 3,366,000 $8,755,000 1,010,000 740,000 1,190,000 250,000 2.350,000 $9,780,000 900,000 Total assets Liabilities 880,000 Long-term liabilities: Mortgage note payable, 8.8%, due 2021 . . . . Bonds payable, 9%, due 2017 S 200,000 1,500,000 . . . . . . . .. .. 1,500,000 $1,500,000 $2,380,00 $2,600,000 Stockholders' Equity 500,000500,000 500,000 5,375,000 $7,180,000 $6,375,000 $8,755,000 .. ..5 500,000 6,180,000 Total stockholders'equity Total liabilities and stockholders equity................................ $9,780,000