P32 $39 $42 $37 $42 4 1 First calculate Caleb's marginal costs and benefits. Caleb will stop at the 4th unit because after that the MC is higher than the MB. It could be lower later but we don't have enough information. He won't stop at the first unit as he can do better by increasing his consumption from 2 to 3 and then to 4. We can see this by checking total benefits - total cost>0 at the 4th unit.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Stuck on question for hours. Question in Image attachment. Thanks for your help :) 

Caleb's total costs and benefits from units of a good are in the table below. How many units does he
buy?
Total
Benefit
Total
Cost
Quantity
$15
$24
$32
$39
$42
$12
$29
$32
$37
$42
1
3
4
15
First calculate Caleb's marginal costs and benefits. Caleb will stop at the 4th unit because after
that the MC is higher than the MB. It could be lower later but we don't have enough
information. He won't stop at the first unit as he can do better by increasing his consumption
from 2 to 3 and then to 4. We can see this by checking total benefits - total cost>0 at the 4th
unit.
Transcribed Image Text:Caleb's total costs and benefits from units of a good are in the table below. How many units does he buy? Total Benefit Total Cost Quantity $15 $24 $32 $39 $42 $12 $29 $32 $37 $42 1 3 4 15 First calculate Caleb's marginal costs and benefits. Caleb will stop at the 4th unit because after that the MC is higher than the MB. It could be lower later but we don't have enough information. He won't stop at the first unit as he can do better by increasing his consumption from 2 to 3 and then to 4. We can see this by checking total benefits - total cost>0 at the 4th unit.
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