please help woth c

OC Problem 6-15 (Algo) An assembly line is to operate eight hours per day with a desired output of 240 units per day. The following table contains information on this product's task times and precedence relationships points IMMEDIATE PREDECESSOR TASK A C D TASK TIME (SECONDS) 60 se 58 20 G H BO 60 40 B, C EIF G b. What is the required workstation cycle time to meet the desired output rate? (Round your answer to the nearest whole number.) Answer is complete and correct. Workstation cycle time 120 seconds per unit C. Balonce this line using the longest task time (Lesve no cedis blank - be certain to enter "o" wherever required.) Answer is complete but not entirely correct. Work de Time Tack c. Balance this line using the longest task time. (Leave no cells blank - be certain to enter "O" wherever required.) Answer is complete but not entirely correct. Work Idle Time Task Station (in seconds) |A-C 110 B-C 100 E-G 120 X 100 % ZE= G-H d. What is the efficiency of your line balance, assuming it is running at the cycle time determined in part b? (Round your answer to 1 decimal place.) Answer is complete and correct. 89.8% Emiciency