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Basic Question 1 of 10
Operating margin is calculated as:
A. (Net Income / Sales) * 100
B. (Operating Income / Sales) * 100
C. (Sales / Operating Income) * 100
D. (Gross Profit / Sales) * 100
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I am using your study notes and I know of at least 5 other friends of mine who used it and passed the exam last Dec. Keep up your great work!

Barnes
Learning Outcome Statements
evaluate whether economies of scale are present in an industry by analyzing operating margins and sales levels;
demonstrate methods to forecast cost of goods sold and operating expenses;
demonstrate methods to forecast nonoperating items, financing costs, and income taxes;
CFA® 2025 Level I Curriculum, Volume 2, Module 17.