Using the following vocabulary, complete the following text: forward; market maker or broker; shopping around; spot; arbitrage; retail; wholesale. "When trading on the foreign exchange markets, the Bank of Brownsville deals with a (a) on the (b) tier while an individual uses the (c) tier. If the bank must immediately deliver ITL 2 million to a customer, it purchases them on the (d) market. However, if the customer needs the ITL in three months, the bank buys them on the (e) market. In order to purchase the ITL as cheaply as possible, the bank will look at all quotes it is offered to see if there is an opportunity for (f). If the bank finds that the quotes of two market makers are completely incompatible, it can also make a risk-free profit using (g)."