Tailor saw that the vending machine needed employees, so he invented a vending machine which was coin operated and does not need any employee.
A vending machine is a self working machine which provide snacks, beverages, first aid kits and many things by putting coins in it.
It was first invented by an engineer in the Roman Egypt in first century.
Thus, the correct option is C, Tailor saw that the vending machine needed employees.
Learn more about a vending machine
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