Widgets Inc. produces widgets. If Widget's Fixed Costs are $16,000 and it's Average Variable Costs are constant at $80, the between a production quantity of 50 widgets and a production quantity of 60 widgets the marginal costs are:
$320
$80
$320
impossible to calculate with the information given
In the given question TFC is given to be 16000
And AVC = 80 which is constant throughout
No TC= TFC + TVC
TVC/Q = AVC or AVC * Q = TVC
Therefore TVC at 50 units = 80 * 50 = 4000
TVC at 60 units = 80 * 60 = 4800
Therefore TC at 50 units = 16000 + 4000 = 20000
Therefore TC at 60 units = 16000 + 4800 = 20800
Now MC = change in TC / change in output
= TC at 60 units - TC at 50 units/ Change in no of units
= 20800 - 20000/ 60 - 50
800/10 = 80
Therefore the MC is $80 between production at 50 units and 60 units.
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