Question: A control mechanism for a vending machine accepts nickels and dimes. It dispenses merchandise hen 20 cents is deposited; it does not give change if

A control mechanism for a vending machine accepts nickels and dimes. It dispenses merchandise hen 20 cents is deposited; it does not give change if 25 cents is deposited. Design the FSM that implements the required control, using as few states as possible. Find a suitable state assignment and derive the next-state and output expressions.

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