13. Fixed Cost
Assume:
• All the costs are fixed costs, except for the salary costs of
those who offer classes to students;
Reasons for doing this.
Explain:
• The difference between the real situation and what we
assumed;
eg: classes decoration and enough equipment for 10
classes.
14. Fixed Cost
Year Monthly
Rental $184,615.38 $15,384.62
Ads $9,230.77 $769.23
Utilities $3,692.31 $307.69
Decoration $23,076.92 $1,923.08
Other Staff’s Salary $73,846.15 $6,153.85
Equipment $55,384.62 $4,615.38
Total $349,846.15 $29,153.85
17. P=20.144*Q+31,650
Marginal Cost = $20.144
Monthly Marginal Revenue
$2,285/12=$190
Only a few firms are in this new-born
business.
They have greater leverage on the price.
19. Production & Marginal Product
• When add one more labor, how much the
output increases;
• It’s different from what we’ve learned
theoretically:
– the language instructors are more
independent (Compare with the manufacture
industry).
21. Monopolistic Competition
All firms
produce similar
yet not perfectly
substitutable
products
All firms are
able to enter the
industry if the
profits are
attractive.
All firms are
profit
maximizers
All firms have
some market
power, which
means none are
price takers
22. Market in Different Periods
• Initially:
– MR > MC (Largely);
– Barrier of Market Entry: LOW;
– Market Type: New.
• Gradually:
– MC ↑, MR ↓.
– More company get involved;
– # of competition ↑.