There is a choice to buy a car worth $28,000 with 100% financing at 4.99% APR for 60 month or lease at $450 per month. The car will need maintenance in the 3^rd year worth $525 and $825 in the 4th year. The car will have 35% residual value in the 5^th year. Sales tax on new car is 6% and required rate of return is 5%.

Calculate the cost of Owning this car in year 4?

A: $7164

B: $6864

C: $1680

D: $6339