An electronics manufacturer makes remote control devices for interactive-cable-TV systems. The following assembly tasks must be performed on each device. Task Description Predecessor(s) Time (min.) 0.50 Place circuit into circuit frame A 0.70 B Solder circuit connections to central circuit control B 10.40 C Place circuit assembly in device frame 0.30 D Attach circuit assembly to device frame a 0.30 E Place and attach display to frame 0.20 ST F Place and attach keypad to frame E, F 0.35 G Place and attach top body of device to frame 0.40 IH Place and attach battery holder to frame D G.H 0.60 Place and attach bottom body of device to frame 0.30 Test device Draw the precedence diagram for this problem, then determine the following: minutes a. What is the sum of the task timesOS Draw the precedence diagram for this problem, then determine the following: minutes a. What is the sum of the task times? 4.05 b. What cycle time will allow the production of 200 units over a ten-hour day? 3 minutes c. What is the theoretical number of workstations needed? 2 d. Balance this assembly line using the heuristic longest operation time, what is the actual number of stations? 2 e. What is the efficiency based on your answer to letter 207.5% f. How much idle time is in this process based on the longest operation time? Select minutes