acct No type balance 12345 savings 12000 23456 checking 1000 34567 savings | 25 The relation Accounts firstName lastName idNo account Robbie Banks 901-222 12345 Lena Hand 805-333 12345 Lena Hand 805-333 23456 The relation Customers Figure 2.6: Two relations of a banking database 2.) How many different ways (considering orders of tuples and attributes) are there to represent a relation instance if that instance has a) Three attributes and three tuples, like the relation Accounts? b) Four attributes and five tuples? c) n attributes and m tuples