You lease a car with a $600 down payment (due at the start of
the lease), 48 monthly payments of $553 (first payment due one
month from today), and a $12,000 residual value. You plan to keep
the car for 6 years total and sell it for an estimated $7,000. If
your cost of capital is an APR of 4.8% (compounded monthly), what
is the net cost of the lease including the effects of down payment,
lease payments, residual value,...