A variety of robots have been featured at the National Restaurant Show that can be used for a variety of tasks in restaurants. These robots were introduced at the same time that an ongoing debate ensued in the United States about the merits of a national minimum wage of $15 per hour for every worker. i (Click the icon to view additional information.) Read the requirements. ... Requirement 1. What would the payback period be on a Yummy Burger robot used for food preparation? (Round your answer to two decimal places.) Initial investment Expected annual net cash inflow = Payback period = years