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The power going into the power supply is DC power.
Gross Profit
The difference between revenue from sales and the cost of goods sold, before deducting overhead, payroll, taxation, and interest payments.
Sales
The transactions involving the exchange of goods or services for money, reflecting the primary revenue source for most businesses.
Operating Income
Earnings from a company's main business activities, excluding expenses like interest and taxes.
Operating Expenses
Operating expenses are the costs associated with running a company's core business operations, excluding the cost of goods sold, such as rent, utilities, and payroll.
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