Kelly, an accountant, observes that her company purchased computers at a cost of $340 and is currently selling them at a price of $799. What is the mark-up percentage?
Write your answer using a percent sign (%).
To find the mark-up percentage, we need to calculate the difference between the selling price and the cost price, and then divide it by the cost price and multiply by 100 to express it as a percentage.
The mark-up is $799 - $340 = $459.
The mark-up percentage is ($459 / $340) * 100% = 135%.
Therefore, the mark-up percentage is 135%.