Operating and Nonoperating Items in Boston Scientific's Income Statement EXHIBIT 3.6 For Year Ended December 31, S mllllons 2018 2017 2016 Net sale . Cost of products sold $9,823 $9,048 2,593 $8,386...

Extracted text: Operating and Nonoperating Items in Boston Scientific's Income Statement EXHIBIT 3.6 For Year Ended December 31, S mllllons 2018 2017 2016 Net sale . Cost of products sold $9,823 $9,048 2,593 $8,386 2,424 2,813 Gross profit. Operating expenses Selllng, general and admlnIstratlve expenses. Research and development expenses Royalty expense Amortlzatlon expense Intanglble asset Impalrment charges ContIngent conslderatlon expense (beneflt) . RestructurIng charges. LItigatlon-related charges 7,010 6,455 5,962 3,569 1,113 3,294 3,099 997 920 70 68 79 599 565 545 35 4 11 (21) (80) 29 36 37 28 103 285 804 Operating expenses - 5,504 5,170 5,515 Operating income . Other expense (income) Interest expense 1,506 1,285 447 241 229 233 Other expense (income), net. (156) 124 37 Income before income taxes 1,422 932 177 Income tax expense (benefit) . (249) 828 (170) Net income. $1,671 $ 104 $ 347 Calculate the operating expense margin ratio for 2016