My assumptions would be for a given type they would get the lowest price. e.g. on-peak vs off-peak pricing would be two (2) different plans and ask different pr

My assumptions would be for a given type they would get the lowest price. e.g. on-peak vs off-peak pricing would be two (2) different plans and ask different prices of which both could be lowest for that given specification. For TV, based on time-slots, location, etc there are normally different tiers that have a range based on type of ad, length, play count, etc. I would imagine for each of these tiers a candidate would pay the lowest possible for each tiers' bracket.