Help with step D

The Pullman Mig. Inc. three-station work cell illustrated in the figure below has two machines at station 1 in parallel. (The product needs to go through only one of the two machines before proceeding to station 2.) The manager, Ms. Hartley, has asked you to evaluate the system if she adds a parallel machine at station 3. a) The throughput time of the new work cell is minutes (enter your response as a whole number). b) The bottleneck time of the new work cell is minutes per unit (enter your response as a whole number). c) If the firm operates 10 hours per day, 6 days per week, the weekly capacity of the work cell with the second machine at workstation 3 is units (enter your response as a whole number). d) If the firm operates 10 hours per day, 6 days per week, the weekly capacity of the work cell without the second machine at workstation 3 is units (enter your response as a whole number)