Contribution Format Income Statement

The video tutorial explains the differences between traditional and contribution formatted income statements. Traditional income statements, used in financial accounting, separate product costs for external reporting and follow GAAP. They calculate gross profit by subtracting COGS from sales and then deduct SNA expenses to find net operating income. In contrast, managerial accounting uses contribution formatted income statements, which separate costs into variable and fixed for internal analysis. Both formats start with sales and end with net operating income, but differ in cost categorization.

What are the components that lead to net operating income in both types of income statements?

Why is the contribution formatted income statement not used for external reporting?