Consider the following state diagram for a simple ATM.
The decision has been made to add the following capabilities:
Allow the customer to go from Get Balance to Deposit, Withdrawal or Menu.
Allow the customer to go from Deposit to Withdrawal, Get Balance or Menu
From Withdrawal the customer still will be able to go only to Menu.
How many test cases are required to achieve 100% 0-switch coverage of the new and existing capabilities?
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