5. A business executive must make the four round trips listed in Table 5.42 between the
head office in Dallas and a branch office in Atlanta.
The price of a round-trip ticket from Dallas is $400. A discount of 25% is granted if
the dates of arrival and departure of a ticket span a weekend (Saturday and Sunday). If
the stay in Atlanta lasts more than 21 days, the discount is increased to 30%.A one-way