How do I work on solving this Homework problem? I do not understand.

Power Toys Inc. produces a small remote-controlled toy truck on a conveyor belt with nine stations. Each station has, under the current process layout, one worker assigned to it. Stations and processing times are summarized in the following table: Station Processing Times (secs) 80 Task Mount battery units Insert remote control receiver Insert chip Mount front axle Mount back axle Install electric motor Connect motor to battery unit Connect motor to rear axle Mount plastic body a) What is the bottleneck in this process? b) What is the capacity, in toy trucks per hour, of the assembly line? c) If the demand rate is 60 trucks/hour, do you have a supply constrained or demand constrained system? What is the utilization of the worker in station 2