The table below shows the total cost of buying printer ink cartridges for both members and nonmembers of a shopping club.Price of Ink at Shopping ClubNumber of ink cartridges purchasedTotal cost for members(with membership fee)Total cost for nonmembers0$3001$40$252$50$503$60$75Which statement is supported by the table?
Answer
A
The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members.
B
The relationship between the number of cartridges purchased and the total cost is proportional for members but not for nonmembers.
C
The relationship between the number of cartridges purchased and the total cost is proportional for neither members nor nonmembers.
D
The relationship between the number of cartridges purchased and the total cost is proportional for both members and nonmembers.