Introduction to Database Systems

I apologize for 3 questions, but all 3 questions are connected to each other.

Draw an E/R diagram for a bank which will keep track of customers and their accounts. Information about a customer includes their name, address, phone, and social security number Accounts have numbers, types (checking, savings, etc.) and balances. Each account may be owned by one or more customers. Each customer may be owners of more than one account Be sure to use arrows arrows where appropriate to indicate the multiplicity of a relationship 2. Change your diagram to problem 1 such that each account can belong to only one customer 3. Change your diagram to problem 2 such that each customer may have only one account