I just need G. I got 66.35 which rounds up to 66.4, but I got it wrong. I also tried doing 66.3. Please show steps on how you solved it and answer asap. Thank you!

Illinois Furniture, Inc., produces all types of office furniture. The "Executive Secretary" is a chair that has been designed using ergonomics to provide comfort during long work hours. The chair sells for $130. There are 480 minutes available during the day, and the average daily demand has been 52 chairs. There are eight tasks: Task A B D E F G Performance Time Task Must Follow (mins) Task Listed Below 5 7 6 AB 5 5 D 8 E 7 E 6 F G H This exercise only contains parts b, c, d, e, f, and g. 1 b) The cycle time for the production of a chair = 9.23 minutes (round your response to two decimal places). c) The theoretical minimum number of workstations = 6 (round your response up to the next whole number) d) The assignment of tasks to workstations should be: (Hint: Number workstations sequentially in terms of precedence relationships and combine any applicable tasks.) Task Workstation Number A Station 1 Station 2 B Station 3 D Station 4 E Station 5 Station 6 F G Station 7 H Station 8 Were you able assign all the tasks to the theoretical minimum number of workstations? No e) For this process, the total idle time per cycle = 15 minutes (enter your response as a whole number). f) The total actual idle time at all workstations over the course of an 8-hour work day for the process = 900 minutes (round your response to two decimal places). g) Given your answer in part (d), the efficiency of the assembly line = % (enter your response as a percentage rounded to one decimal place)