$3.$ Amazon currently has three functional systems: an order system, an inventory

system, and a delivery system. Create a use case to show how the systems

interact with the different actors.

USE CASES USERS$/$ACTORS

Create a profile New Customer

View products New Customer, Service clerk, customer

Place order New Customer, Service clerk, customer

Change order New Customer, Service clerk, customer

Update prices Order Manager

Expedite order Service clerk

View Reports Order Manager

Get order request Procurement Manager

Create purchase order Procurement Manager

Update inventory Procurement Manager

Create delivery request Order Manager

Request Expedite delivery Service clerk, Deliver Coordinator

Schedule delivery Deliver Coordinator

Mark scheme

$-$ Actors $(7)$

$-$ Use case layout showing how actors interact with all systems

o Three systems $(3)$

o Actors' interaction with all systems $(10)$