2. Considering the following schema of a bank database, Branch (branch id, branch name, branch city, assets) meam customer (customer name, customer street, customer_city) loan (loan number, branch name, amount) borrower (customer name, loan number) account (account number, branch name, balance) depositor (customer name, account number) *Assume that name of the customers are unique. (a) Draw a schema diagram for the database. Make sure to underline the primary keys. [10 points]