(4) Simple Queries: Write the SQL queries on one table (10 points) 4.1. List all the unique product vendors 4.2 List all the customer names in the state of California. 4.3 Calculate the average credit limit for all the customer in California 4.4 For each customer, list the total number of orders in 2005 4.5 List all the product name who quantityInStock is less than 200