In recent years, banks have encouraged their customers to save by giving incentives to join programs that automatically transfer money from checking accounts to savings accounts. For example, a bank might offer to round debit transactions to the nearest dollar, transferring the change to one's savings account, and then boost this amount with a match of a certain amount. Although these programs were intended to encourage customers to save, some economists are not very enthusiastic about these programs. Which of these describe why the economists would be concerned? a. Economists fear that saving money would trigger consumers to spend more in the near future. b. The program was offered during an expansionary time period; consumers were not worried about saving their money. c. Some economists believe the automatic transfers could lead to overdrafts. d. Economists believe consumers would not be willing to transfer the money from their checking account to their savings account.