The following advertisement appeared in the Wall Street Journal on Thursday, February 9, 1995. ''There's nothing quite like the Seville Smart Lease. Seville SLS $0 down, $599 a monthj36 months" first month's lease payment of $599 plus $625 re-fundable security deposit and a consumer down pay tune of $0 for a total of $1224 due at lease signing. Monthly payment is based on a net capitalized cost of $39,264 for total monthly payments of $21,564. Payment examples based on a 1995 Seville SLS: $43,658 MSRP including destination charge. Tax license title fees, and insurance extra, option to purchase at lease end for $27,854, Mileage charge of $0.15 per mile over 36,000 miles.

(a) Set up the cash flows.

(b) Determine the interest rate (nominal and effective) for the lease.