Guillermo lujan is flying from denver to dallas for a convention. he can park his car in the denver airport long-term parking lot at the terminal or in the shuttle parking facility closeby. in the long-term lot, it costs $1.00 per hour or any part of an hour with a maximum charge of $6.00 per day. in the shuttle facility, he has to pay $4.00 for each day or part of a day. which parking lot is less expensive if mr. lujan returns after 2 days and 3 hours?