please answer "d" and "e". THANK YOU

Swoosh Snowboard Company must set up an assembly line for snowboards. Forecasts show that 600 units per day should be produced. The plant operates two eight-hour shifts each day and runs the line continuously during both shifts. The tasks required, task times, and precedence relationships are as follows: Dpictureclick here for the Excel Data File b. What is the takt time? Answer is complete and correct. c. What is the theoretical number of workstations? (Round up your answer to the next whole number.) d. Assign the tasks to the workstations to balance the line using the longest operating time rule. e. What is the efficiency of the balanced line? (Round your answer to 1 decimal place.) ( Answer is complete but not entirely correct. Swoosh Snowboard Company must set up an assembly line for snowboards. Forecasts show that 600 units per day should be produced. The plant operates two eight-hour shifts each day and runs the line continuously during both shifts. The tasks required, task times, and precedence relationships are as follows: Dpictureclick here for the Excel Data File b. What is the takt time? Answer is complete and correct. c. What is the theoretical number of workstations? (Round up your answer to the next whole number.) d. Assign the tasks to the workstations to balance the line using the longest operating time rule. e. What is the efficiency of the balanced line? (Round your answer to 1 decimal place.) ( Answer is complete but not entirely correct