I could really use some help with this

The following is Ivanhoe Company's income statement for the past year. Sales revenue Cost of goods sold Gross margin Operating expenses Operating income $339,000 135,600 203,400 146,900 $56,500 (a) Your answer is incorrect. What is the markup percentage on cost of goods sold? (Round answer to decimal places, eg. 45%) % Markup percentage e Textbook and Media Attempts: 2 Save for Later Last saved 4 hours ago. Saved work will be auto-submitted on the due date. (b) tod in order. This part will be available when you complet