The three-station work cell at Pullman Mig., Inc. is ilustrated in the figure below. It has two machines at station 1 in parallel (Le, the product needs to go through only one of the two machines before proceeding to station 2). 20 minut Station 1 Machine A G Station 2 Station 3 Station 13 Machine B 12 minut 6 minut a) The throughput time is 20 minunt minutes (enter your response as a whole number).