$1$

$.$

$$Indicate the changes

$($

using the shorthand representation

$)$

$$that you would need to make to the original Tal database design

$($

see Figure

$2$

$-$

$1$

$)$

$$to support the following requirements. A customer is not necessarily represented by a single sales rep, but can be represented by several sales reps. When a customer places an order, the sales rep who gets the commission on the invoice must be in the collection of sales reps who represent the customer.