Math If a bank processes 180,225 transactions in a month, what will it cost if all transactions are

(a) paper-based at a cost of $1.09 per transaction,

(b) completed through ATMs and call centers at a cost of $0.27, and

(c) completed by consumers using the Internet at $0.02? How much can the bank save if it changes the way transactions are completed from 100 percent paper based to 50 percent paper-based, 35 percent through ATMs and call centers, and 15 percent Internet?