• Fill in the yellow shaded squares in this matrix to demonstrate that you understand how business costs are structured. Remember Total costs = fixed costs + variable costs and average costs is the cost divided by the number of units produced. Marginal cost is the increase in total cost of producing one more unit.

• Product	Total Costs				AVERAGE COSTS				Marginal
  Produced	Fixed Costs	Variable Costs	Total Costs		Fixed Costs	Variable Costs	Total Costs		Costs
  0	100	0	100
  1		90	190		100.0		190.0		90
  2		170				85.0	135.0
  3		240	340		33.3	80.0	113.3
  4		300	400		25.0	75.0
  5		370			20.0	74.0	94.0
  6		450	550		16.7	75.0	91.7
  7		540	640		14.3	77.1	91.4
  8		650	750		12.5	81.3	93.8		110
  9					11.1	86.7	97.8		130
  10		930	1030						150