Construct a clean and concise ER diagram for the following database. List your assumptions and clearly indicate ordinality and carnality in your ER diagram. Explain your diagram if needed to make it clear. The database have the following information: 1) A Bank has a name, a unique code and one to many phone numbers 2) Each bank has multiple branches, while a branch has a branch number that distinguishes branches of a single bank. Please note that two different banks may have branches with the same branch number. Each branch has a name and an address. 3) An account has an account number and a balance. An account is opened under a single branch. 4) An account can be checking or saving. 5) a customer can have one to many accounts and an account can belong to one to many customer. 6) a customer has a unique id, a name, and a phone number