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Atoms of period 3 and beyond can undergo sp3d2 hybridization, but atoms of period 2 cannot.
Operating Expenses
The costs associated with running the day-to-day operations of a business, excluding the costs of goods sold.
Profit
The financial gain made in a transaction, calculated by subtracting the total costs from the total revenue.
Sale Price
The ultimate selling price of a product, once all discounts or promotional offers have been taken into account.
Gross Profit
The difference between the selling price and the unit cost of an item of merchandise. (Also called markup.)
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