Bob Dresser Operates a Major Appliance Warranty Service Center

question 3

Essay

Bob Dresser operates a major appliance warranty service center. His operation has two check stations that are required at the end of every repair task performed by his appliance repair staff. These are the Functionality Review (FR) and the Overall Scan (OS). The FR must be performed successfully before the OS is begun. On Friday morning, six repair jobs are completed, awaiting these two inspection activities. Processing times are given in minutes.
a. What is the optimal sequence of jobs for the objective of minimizing the total flow time?
b. Show your work, and document the sequence.
c. Chart the solution to this problem.
d. What jobs are being processed at time period 90?
e. What is the total flow time of this problem?

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Definitions:

Consumer Surplus

The economic benefit or satisfaction received by consumers when they pay a price lower than what they are willing to pay.

Milkshakes

A sweet beverage made by blending milk, ice cream, and flavorings or sweeteners such as butterscotch, caramel sauce, or chocolate syrup.

Consumer Surplus

The difference between the total amount that consumers are willing to pay and the total amount that they actually pay.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of the good that consumers are willing and able to purchase at various prices.