Consider the same bank database.

Customer $=\{$customerID$,$ firstName, lastName, income, birthDate$\}$

Account $=\{$accNumber$,$ type, balance, branchNumberFK$-$Branch$\}$

Owns $=\{$customerIDFK$-$Customer, accNumberFK$-$Account$\}$

Transactions $=\{$transNumber$,$ accNumberFK$-$Account, amount$\}$

Employee $=\{$sin$,$ firstName, lastName, salary, branchNumberFK$-$Branch$\}$

Branch $=\{$branchNumber$,$ branchName, managerSINFK$-$Employee, budget$\}$

In each question below, please write down the relational algebra expressions for the described query. For this question, we use relational algebra on sets.

$1\mathrm{.}1(1$ point$)$ Find out names of the bank branches and first name and last name of their managers.