a music streaming service has three different plans. all the plans have a starting fee and/or a per song fee. plan per month fee per song fee a $5 $0.02 b $0 $0.07 c $10 $0 depending on the number of songs streamed during the month, there is a plan that costs less than the other two plans. describe a situation in terms of the specific number of songs streamed in which each plan would be the best option (cost the least amount of money).use the explicit formula