independent sequential operations. A product needs to go through only one of the three assembly operations $($the operations are in parallel$).$

a$)$ is the bottleneck.

b$)$ The bottleneck time is minutes per unit $($round your response to two decimal places$).$

c$)$ The throughput time of the overall system is minutes $($round your response to two decimal places$).$

d$)$ If the firm operates $10$ hours per day, $20$ days per month, the monthly capacity of the manufacturing process is units $($enter your response as a whole number$).$