Question: 3. Consider the vending machine described in class, which had four coin holders. and for which any combination of the one dollar slot and three

3. Consider the vending machine described in class, which had four coin holders. and for which any combination of the one dollar slot and three 25 cent slots could contain coins. Derive a logical function, X, which will have the value 1 whenever enough money has been submitted to pay for an item costing $1.10. Write X in the simplest form possible as an SOP and sketch a circuit diagram implementing X using NAND gates only.

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