Final answer:
The question about maximum cash back on debit payments relates to the overall purpose and usage of debit cards for government assistance programs like SNAP, where the focus is on ensuring the aid is used for its intended purpose.
Step-by-step explanation:
The maximum cash back that can be given on a debit card payment isn't directly addressed in the provided information. However, the information does discuss the implications of providing assistance via debit cards instead of cash, such as is done with the Supplemental Nutrition Assistance Program (SNAP). This program gives support in the form of SNAP aid on cards, which can only be used to purchase food, thus ensuring the money is spent for its intended purpose. The economic perspective provided suggests that instead of increasing food expenditure, families might use the aid to offset their existing food costs, thereby freeing up cash to spend on other needs. Therefore, the concept here is more about the flexibility and intended use of the aid provided on debit cards, rather than the cash back feature itself.
So while debit cards allow you to transfer money electronically just like a credit card, the funds come directly from your bank account in real money. This mechanism offers a direct way to access and spend funds, yet, when it comes to SNAP, limitations are placed on usage to steer spending towards necessary food items.