Kirsten Cookie Case Solution
Cycle time for each task is given above: Washing and mixing step6mins ; spooning the cookies – 2 mins, setup time for ba
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Cycle time for each task is given above: Washing and mixing step6mins ; spooning the cookies – 2 mins, setup time for baking – 1 min ; baking time – 9 mins ; cookie cooling – 5mins ; packing – 2 mins ; Accepting payment – 1min Throughput time for making cookie is 26 mins. In this case the oven can bake 1 dozen at a time , and the bottleneck in the process is total baking time( Setp time + baking time) which is 10mins which accounts for maximum cycle time. Once the first dozen baking is over, the second dozen of cookies would be ready & can be kept for baking , by the time second baking is finished cookie cooling+ packing + accepting payment for first dozen of cookie would have finished. Considering 3 parallel major activity in this case : Activity 1: washing & mixing step + spooning =6+2= 8 mins Activity 2 : setup time+ baking time = 9+1=10mins Activity 3: Cookie cooling+packing +accepting payment = 5+2+1 =8mins Considering the above scenario, total number of batches that can be made within 4 hours (240 mins) is Activity 1 +Activity 2 * Number of batches + Activity 3 = 240mins 8 + 10*X + 8mins =240 X =22.4 round it to 22 batches So, total of 22 batches or 22 dozens of cookie can be produces in a night of 4 working hours .