Answer the following questions. Make sure you use comments in your SQL file to clarify/show which SQL statement is the answer to which question.

1. Write a query to show the detail of the customer with the highest credit limit.
2. Write a query to show the number of payments from each customer. (Hint: use a subquery in the SELECT clause. )
3. Write a query to show the highest total payment. Hint: use the solution to Q2 in the From Clause.
4. Write a query to show the number of each customer's orders. Hint: use a subquery in the SELECT clause.
5. Write a query to show the number of employees in each office. Hint: use a subquery in the SELECT clause.
6. Write a query to show the customers that have not placed any orders. Hint: use a subquery in the WHERE clause.
7. Write a query to show the value of each order. Hint: use a subquery in the SELECT clause.
8. Write a query to show the total money paid by each customer.
9. Write a query to show the total money paid by each customer per year.
10. Write a query to show the total number of orders from each customer.