You need to hire entertainment for a charity event.

Memorable Melody charges $200 for the equipment setup and crew and then an additional $60 per hour for singing up to 3 hours

Singing Souls represents their fee with the table shown.

Hours 0.5 1 2.5 3
Charge (in $) 190 230 350 390
Both groups are equally popular and talented. How do you decide which to use? What contributes to your decision-making process?