ATM breakeven

Banks install ATMs to lower their branch costs, and to attract new customers. When working out the economics of ATMs, we found that lowering branch costs alone could not be a viable reason to install an ATM. The bank argued as follows: “Every time someone withdraws money from an ATM, they avoid going to the branch. With enough people going to the ATM, I can afford not to increase my branch size, and that saves me money. Since it costs me Rs 20 every time a person withdraws cash (in terms of salary, rent, etc.) and an ATM costs about Rs 2,200 a day, I’ll break even if there are 110 cash withdrawals from the ATM.” ...