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Describe the main types of secondary memory devices.
Operating Income
The profit realized from a business's normal operational activities, calculated before tax by subtracting operating expenses from gross profit.
Gross Profit
The financial performance metric that subtracts the cost of goods sold (COGS) from revenue, indicating how efficiently a company produces or sources its products.
Gross Margin
The difference between sales revenue and cost of goods sold, shown as a value or percentage, indicating the efficiency of sales relative to production costs.
Gross Sales
Gross sales represent the total sales revenue of a company without any deductions for returns, allowances, or discounts.
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