System that is easier to use is "figuring out the cost of what each individual has consumed".
System of "figuring out the cost of what each individual has consumed" and divide the bill accordingly is a fair system as everyone will pay accordingly of his/her consumption. in this system, nobody will feel agonized about the excess payment of what he/ she has consumed.
Though easier to use system is to calculate total price and divide it by number of person involved. it'll simply give the cost per person without any hassle.
it's miles related to the concept of procedure costing.
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