Design a sequential circuit that can be used in a vending machine coin operated vending machine dispenses 3 types of items soda , candy , and chips . Soda at 95 cents ,

Chips$ 1.10 and candy at $1.00 . The machine accepts quarters dimes and nickels. Machine must be able to return change.

Draw logic diagram of the circuit

Derive the state table

Derive the state diagram

Provide k map