∗ Detach & Wash Keypad
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.
Since the keypad can be detached and washed with water, the calculator can be kept clean, sanitary, and pleasant to use for many years.
What is the cost of an item that sells for $150 after a 30% margin is added?
What would the selling price be for an item that costs $120 after a 40% margin is added?
What is the margin on an item that costs $1,000 and sells for $2,000?