Make a list of the last 20 purchases that you made in the past month.

a. Of these 20 purchases, how many did you make using cash? How many did you make using a credit or a debit card? How many did you make using Venmo or a similar app? How many did you make using a mobile wallet like Apple Pay?

b. Of the purchases where you paid with cash, would you have preferred an alternative payment method?

c. Of the purchases where you paid with a debit or a credit card, would you have preferred paying with cash?

d. Suppose you had to make all of your purchases using only one of the following: cash, a credit card, a debit card, Venmo (or a similar app), or Apple Pay (or a similar mobile wallet)? Briefly explain which alternative you would choose.