Question: 3 . ) Draw a use case diagram for the following scenarios [ 2 0 p ] : A customer has a mobile phone that

3 .)

Draw a use case diagram for the following scenarios

[20

]

: A customer has a mobile phone that the phone handles messages and calls by a service provided by the external phone company. The customer on the other hand can pay the phone bill. However the bill is only paid online via the website of the external bill company. To pay the bill, the customer must login

the

website

.

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