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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Meiger Mining, Inc., has just discovered two new mining sites for iron ore. Geologists and engi- neers have come up with the estimates on the following page regarding costs and ore yields if the mines are opened:
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Site AÂ Â Â Â Â Â Â Â Â Â Site B
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|
Variable extraction costs per ton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
$3.80 |
 |
$4.00 |
|
Fixed costs over the life of the mine: |
 |
 |
 |
|
Blasting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
$150,000 |
 |
$185,000 |
|
Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
225,000 |
 |
240,000 |
|
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
25,000 |
 |
20,000 |
|
Restoration costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
   40,000 |
 |
   35,000 |
|
Total fixed costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
$440,000 |
 |
$480,000 |
|
Total tons of ore that can be extracted over the life of the mine: . . . . . |
200,000 |
 |
160,000 |
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Meiger’s owners currently demand a return of 20 percent of the market price of iron ore.
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a.      If the current market price of iron ore is $8 per ton, what is Meiger’s target cost per ton?
b.      Given the $8 market price, should either of the mines be opened?
c.      The engineer working on Site B believes that if a custom conveyor system is installed, the variable extraction cost could be reduced to $3 per ton. The purchase price of the system is
$25,000, but the costs to restore the site will increase to $45,000 if it is installed. Given the current $8 market price, should Meiger install the conveyor and open Site B?
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