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 instead. 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): b) Based on the changes made, the percent increase in productivity = % (enter your response as a percentage rounded to two decimal places) c) 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)