The following table details the tasks required for Indiana-based Frank Pianki Industries to manufacture a fully portable industrial vacuum cleaner. The times in the table are in minutes. Demand forecasts indicate a need to operate with a cycle time of 11 minutes. a-b) One of the possible assignment of tasks to workstations is shown correctly in The efficiency of the assembly line with 3 workstations = (enter your response rounded to two decimal places). c) The goal is to have 100% efficiency. Is this possible? d) The theoretical minimum number of workstations : (round your response up to the next whole number)