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University
| Teaching Since: | Apr 2017 |
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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
3.   Olsen Auto Supply typically earns a contribution margin ratio of 40 percent. The store manager estimates that by spending an additional $5,000 per month for radio advertis- ing the store will be able to increase its operating income by $3,000 per month. The manager is expecting the radio advertising to increase monthly dollar sales volume by:
a.  $12,500.                                 c.    $7,500.
b.   $8,000.                                   d.    Some other amount.
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