You own a software development company that has been hired to build an online classified ads website (refer to Craigslist.com as an example).

Chapter 9: Data Design

1. Using a diagramming tool, create an Entity Relationship Diagram (ERD) that models the following scenarios:
   1. A user can create an account
   2. A user can list things for sale
   3. A listing can have photos
   4. A listing will automatically expire
   5. A user can view their listing history

Be sure to include relevant attributes in your tables, identify all Primary & Foreign Keys and use crows-feet annotation to demonstrate cardinality.

please help me with both question ensure to number the answers and number the answers as well