Square Mile Coffee Roasters roast 600 bags of coffee per day in three shifts at an average rate of 62 bags/hour. During the first shift, 200 bags of coffee are roasted at 78 bags/hour; and the next 200 bags are roasted at 73 bags/hour in the second shift. a. At what rate should Square Mile Coffee roast their coffee in the third shift to meet the target average rate? Answer in exact fraction, or rounded to at least 4 decimal places bags/hour b. After roasting, each bag of coffee is sealed and labelled at the packaging stage at a rate of 82 bags/hour. What is the average rate of production for the entire process of roasting and packaging coffee beans at Square Mile? Answer in exact fraction, or rounded to at least 4 decimal places. bags/hour