need detailed steps!!!

You would like to purchase a car with a negotiated price of $31,000, and the dealer offers financing over a 5-year period at 7%. If you decide to trade in your current car to help reduce the amount of financing required, what trade-in value would you need to negotiate to ensure your annual payment is $6,200? (For calculation purposes, use 5 decimal places as displayed in the factor table provided. Round final answer to 2 decimal places, e.g. 5,275.25.) Click here to view the factor table PRESENT VALUE OF 1. Click here to view the factor table PRESENT VALUE OF AN ANNUITY OF 1. Trade-in value $ 6578.78