Klassen Toy Company, Inc., assembles two parts (parts 1 and 2): Part 1 is first processed at workstation A for 15 minutes per unit and then processed at workstation B for 12 minutes per unit. Part 2 is simultaneously processed at workstation C for 20 minutes per unit. Work stations B and C feed the parts to an assembler at workstation D, where the two parts are assembled. The time at workstation D is 10 minutes. a) The bottleneck of this process is at minutes per unit (enter your response as a whole number). b) The hourly capacity of the process is units (enter your response as a whole number)