new website allows consumers to purchase various automobiles via the internet and then take delivery at a local dealer. The following table shows the retail price of the cars on the website.      Brand A       Brand B    Compact       11,000 17,000 Midsize 21,000 19,000 Luxury 35,000 33,000 Pickup 54,000 51,000 The dealers makes the following profit: On compact cars they make 14% On midsize cars they make 11% On luxury cars they make 9% On pickup trucks they make

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 28EQ
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A new website allows consumers to purchase various automobiles via the internet and then take delivery at a local dealer. The following table shows the retail price of the cars on the website.

     Brand A       Brand B   
Compact       11,000 17,000
Midsize 21,000 19,000
Luxury 35,000 33,000
Pickup 54,000 51,000


The dealers makes the following profit:
On compact cars they make 14%
On midsize cars they make 11%
On luxury cars they make 9%
On pickup trucks they make 19%

Use the following matrix and multiple the price to find a matrix of profit per car.

  0.14   0 0 0  
  0 0.11   0 0  
  0 0 0.09   0  
  0 0 0 0.19    

The profit matrix is

   
   
   
   

 

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