Kristen's Cookie Case Study

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1. It will take Kristen's Cookie Company 26 minutes to fill a rush order of one dozen because washing the bowl and beaters, adding the ingredients and mixing the ingredients takes 6 minutes; spooning the cookies takes 2 minutes per dozen; putting the cookies in the oven takes 1 minute; cooking time is 9 minutes; letting them cool takes 5 minutes; it takes 2 minutes to pack each box; and it takes 1 minute to accept payment. All of these processes add up to 26 minutes. 2. Assuming Kristen's Cookie Company is open for four hours each night, Kristen's Cookie Company can successfully complete 22 orders of a dozen cookies each. We know this because we know that one order takes 26 minutes, and every one after that takes 10 more minutes, so 16+10n = the amount of time to complete n orders. So for one order, 16+10(1) = 26 minutes. We know that in 4 hours, there are 240 minutes (4 x 60), so if we set 16+10n equal to 240, we get 22.4 orders, but because each order is sold in whole, we round down and know that we can make 22 orders of a dozen cookies each in 4 hours. 3. It will take the first person 8 minutes of her valuable time to wash and mix for 6 minutes and to spoon a dozen cookies on the tray for 2 minutes per tray. It will take 4 minutes of the roommate's valuable time: to put the cookies in the oven takes 1 minute, to remove them from the oven, to pack each dozen takes 2 minutes, and to accept the payment takes 1 minute. 4. Kristen's Cookie Company should give a discount for people who order two dozen cookies or more, because the labor costs decrease per order, since the more orders they can do per shift, the smaller their labor cost per order becomes, so long as the labor cost is paid per hour. The valuable time for a one-dozen order is the time to wash and mix (6 minutes), the time to spoon (2 minutes), the time to put the cookies in the oven (1 minute),

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