Lake Charles Seafood makes 550 wooden packing boxes for fresh seafood per day, working in two 10 -hour shifts. Due to increased demand, plant managers have decided to operate three 8 -hour shifts per day nstead. The plant is now able to produce 750 boxes per day. a) Before the change in work rules, the company's productivity per day = boxes/hour (round your response to two decimal places). After the change, the new productivity level per day = boxes/hour (round your response to two decimal places). o) Based on the changes made, the percent increase in productivity = \% (enter your response as a percentage rounded to two decimal places). c) If production is increased to 800 boxes per day (with the three 8-hour shifts), the new productivity = boxes/hour (round your response to two decimal places)