i only need help with the picture one

Problem 9.25 Du An assembly plant for the Blood Pressure RX, a portable blood pressure device, has 450 minutes available daily in the plant for the and the cage demand is 75 units per day. Finalassembly requires Information concerning these tasks is given in the following table Performance Time Task Must Follow minutes) Task Listed Below Task B c D A B. D F b) Given the demand, what is the cycle time for this operation? The cycle time for this operation is 6 minutes unit (enter your response as a whole number) c) What is the theoretical minimum number of workstations? The theoretical minimum number of workstations is stations (enter your response as a whole number and if your urrounded answer includes decimal values, round your response to the immediate higher whole )& d) Choose the correct precedence diagram of this operation and assign tasks to workstations, OA Station 2 Station 4 Station 4 (1) D Station 5 (5) (3) (6) F (3) B Station 2 (1) D (5) E Click to select your answer and then click Check Answer a) & d) Choose the correct precedence diagram of this operation and assign tasks to workstations . OB @ Station 2 Station 4 (1) D Station 5 (5) (6) F Station 2 (1) D Station 4 (5) (3) R (6) 5) C Station 6 (2) Station 1 06 Station 5 Station 3 Station 1 Station 3 Oc D. Station 2 (1) 0 (5) E (6) F B Station 2 (1) D (5) (3) B (6) (5) Station 3 Station 4 Station 3 Station 4 (2) A Station 1 Station 1 Click to select your answer and then click Check