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∗ Detach & Wash Keypad
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Suitable for use even in demanding environments
With this water- and dust-resistant calculator, there’s no need to worry about exposure to water, dust, or grime. It is recommended for use even at open-air markets, street stalls, and other outdoor businesses and at shops that sell fresh food.
Revolutionary new washable design
Easy calculation of cost, selling price and margin.
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Cost：
What is the cost of an item that sells for $150 after a 30% margin is added?
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Selling Price
What would the selling price be for an item that costs $120 after a 40% margin is added?
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Margin
What is the margin on an item that costs $1,000 and sells for $2,000?
