The Mach 10 is a one-person sailboat manufactured by Creative Leisure. The final assembly plant is in Cupertino, California. The assembly area is available for production of the Mach 10 for 200 minutes per day. (The rest of the time it is busy making other products.) The daily demand is 56 boats. Given the following information: a) The correct precedence relationship with one of the possible assignment of tasks to workstations is shown in b) The operating efficiency of the assembly line with 5 workstations shown in the figure chosen above = to (enter your response as a percentage rounded to one decimal place)