Need help figuring out these blanks, please. Thank you.

From the French Instrument Corporation second-quarter report ended 2017, do a vertical analysis for the second quarter of 2017. (lnput all answers as positive values except other (income) which should be indicated by a minus sign. Round your answers to the nearest hundredth percent.) FRENCH INSTRUMENT CORPORATION AND SUBSIDIARIES Consolidated Statements of Operation (Unaudited) (In thousands of dollars, except share data) SECOND QUARTER 2016 2017 Percent of net Net sales Cost of sales Gross margin $6,649 4,082 2,567 $ 6,902 4,455 2,447 Selling, general and administrative Product development Interest expense Other (income), net Total expenses Income before income taxes Provision for income taxes Net income Net income per common share* Weighted average number of common shares and 1,838 168 91 (179) 1,918 649 1,776 158 116 (106) 1,944 $ 391 $301 equivalents 6,673,673 6,624,184 "Income per common share reflects the deduction of the preferred stock dividend from net income