Frank wants to buy an entertainment system that costs $500, including taxes. To pay for the entertainment system, he will use a payment plan the requires him to make a down payment of $125, and then pay $72.50 each month for 6 months. What is the percent increase from the original cost of the entertainment system to the cost of the entertainment system using the payment plan?

The percent increase from the original cost of the entertainment system to the cost of the entertainment system using the payment plan is 12%.

Step-by-step explanation:

Percentage increase = (higher value - lower value/ lower value) 100

⇒ ((560-500)/500) 100

⇒ (60/500) 100

⇒ 0.12 100

⇒ 12%

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step-by-step explanation: