Holly Marks rented an 8-passenger van to drive people to a convention in a city 1,240 miles away. The rate is $399 per week with 1,500 miles and $0.25 per additional mile.
The CDW fee is $165 for the week, and the estimated cost for gasoline is $600.
Determine the round-trip cost (a) for the total rental, (b) per mile, and (c) per person
(total 8 passengers).