can anyone answer this word problem it is from computer science lab- think outside the box..?

Question

Seven women go to the farmers market.One has 20 apples,one 40,apples,one 60, one 80,one 100,one120,and the last 140. They decide they will have a uniform pricing strategy.Each selling their apples for the same price.They decide on a 2-tier pricing structure something like: 4 for 12 cents and 1 for 5 cents...
At the end of the day, they all sold their lot of apples and each ends up with the same amount of money. There is an answer. There are no tricks.
What 2-tier pricing structure did they decide on???

Answer 1

I think you need to be clearer about what the allowable pricing algorithms are.