Common Size Income statemnet 2016 2015 2014 2016 2013 2013 Fiscal years ended October 31, Sales revenue Cost of goods sold (COGS) Gross profit SGA R&D Restructuring changes Other operating expenses Total operating expenses Operating income Interest inc (exp) and other Total nonoper rev (exp) Income before income tax Provision for income tax Income from cont oper Nonrecurring items / Mint Net income 126,033 96,089 29,944 12,585 2,959 1,144 1,777 18,465 11,479 505 2015 114,552 87,524 27,028 11,613 2,819 640 1,820 16,892 10,136 721 721 9,415 1,755 7,660 2014 118,364 90,069 28,295 13,326 3,543 311 642 17,822 10,473 104,286 78,887 25,399 12,226 3,611 387 456 16,680 8,719 458 458 9,177 1,913 7,264 505 10,974 2,213 10,473 2,144 8,329 8,761 8,761 7,660 8,329 7,264 Use 2013 as base year calculate the trend index on 2016 Sales Revenue COGS Gross profit Your opinion on the trend index and implications 2016 2015 2014 2013 Calculate Gross profit Margin Net profit margin Your opinion for the differences , also explain the trend Are you going to invent in the company? Provide 4 reasons