You want to buy a new cell phone. Verizon Wireless will sell you a new cell phone for cash or Verizon will allow you to finance the phone over 2 years.
If you buy the phone for cash, you will pay $699 dollars today. If you finance the phone, you must pay $299 today and then $20 per month for the next 24 months.
What interest rate is Verizon Wireless offering on the financing it is providing you?