Professional Printers, Inc.make two models of commercial printers (FlowPrint and TypeIt).
Manufacturing time requirements for each printer is given below.
Plastic 2 4 38
Ink Assembly 2 5 44
Time 5 3 34
The profit for the FlowPrint model is $1000 per printer and the profit for the TypeIt model is $2000 per
What is the linear programming model for this problem? (Refer to formulation from M2:
b. Find the optimal solution using Excel Solver.
c. Will there be excess capacity in any resource (eg. slack)?
Solve using Solver. Answer all questions in Excel and then upload your completed Excel file.
A large sporting goods store is placing an order for bicycles with its supplier. Four models can be
ordered: the adult Long Trail, the adult Cityscape, the girl's Sea Sprite, and the boy's Trail
Blazer. It is assumed that every bike ordered will be sold, and their profits, respectively, are 30,
25, 22, and 20. The LP model should maximize profit. There are several conditions that the store
needs to worry about. One of these is space to hold the inventory. An adult's bike needs two feet,
but a child's bike needs only one foot. The store has 500 feet of space. There are 1200 hours of
assembly time available. The child's bike need 4 hours of assembly time; the Long Trail needs 5
hours and the Cityscape needs 6 hours. The store would like to place an order for at least 275
a. Formulate a model for this problem.
b. Solve your model using Excel Solver. Be sure to save your Answer and Sensitivity
c. How many of each kind of bike should be ordered and what will the profit be?
d. What would the profit be if the store had 100 more feet of storage space?
If the profit on the Cityscape increases to $35, will any of the Cityscape bikes be
f. Over what range of assembly hours is the shadow price applicable?
If we require 5 more bikes in inventory, what will happen to the value of the optimal
h. Which resource should the company work to increase, inventory space or assembly
Solve using Solver. Answer all questions in Excel and then upload your completed Excel file
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