33) The market supply function is P-10+ Q and the market demand function is P-70-20. What is the change in consumer surplus associated with a minimum floor price of $40? A)-$25 B)-$150 C)-$175 D)-$200 Answer: C Diff: 2 Section: 9.3

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Chapter3: Demand And Supply
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Figure 9.3.1 : I’m confused with the solution for question with figure 9.3.1 is:

15 x 10 + 5 × 10 = 175

But how come there is 5 x 10? I know that this is because 20 - 15 = 5, but where does "20" come from? Is it because the “Quantity” is 60, therefore 60 - 40? = 20? thats why 20 - 15 = 5? I’m confused where 20 comes from.

 

Figure: 8.4.2:

I know that the answer is “B”, but can someone please show me the calculation that I need to get this answer as this sort of questions will come up on my exam and I need to know these calculations to solve these types of questions.  

Figure 8.4.2
Dollars
per sack
(thousands)
$380
304
283
264
258
225
214
Answer: B
Diff: 1
Section: 8.4
0
MC
La
-Demand
ATC
AVC
24 58 10 12 14 16 18 20 22 24 26 Quantity of coffee
(sacks of 60 kilos)
17) Refer to Figure 8.4.2 above. How much is the profit lost when the farmer produces 6 sacks instead of 14
sacks?
A) $996
B) $1.168
C) $628
D) None of the above. There is no profit lost because the farmer maximizes profit when it produces 6 sacks
of coffee.
Transcribed Image Text:Figure 8.4.2 Dollars per sack (thousands) $380 304 283 264 258 225 214 Answer: B Diff: 1 Section: 8.4 0 MC La -Demand ATC AVC 24 58 10 12 14 16 18 20 22 24 26 Quantity of coffee (sacks of 60 kilos) 17) Refer to Figure 8.4.2 above. How much is the profit lost when the farmer produces 6 sacks instead of 14 sacks? A) $996 B) $1.168 C) $628 D) None of the above. There is no profit lost because the farmer maximizes profit when it produces 6 sacks of coffee.
Price 70
(dollars
per widget) 60.
30
40
30
20
10
B)-$150
C)-$175
D)-$200
Answer: C
Diff: 2
Section: 9.3
10
20 30
Figure 9.3.1
40 50
Supply, S
Demand, D
60 Quantity
of widgets
33) The market supply function is P-10-Q and the market demand function is P-70-2Q. What is the
change in consumer surplus associated with a minimum floor price of $407
A)-$25
Transcribed Image Text:Price 70 (dollars per widget) 60. 30 40 30 20 10 B)-$150 C)-$175 D)-$200 Answer: C Diff: 2 Section: 9.3 10 20 30 Figure 9.3.1 40 50 Supply, S Demand, D 60 Quantity of widgets 33) The market supply function is P-10-Q and the market demand function is P-70-2Q. What is the change in consumer surplus associated with a minimum floor price of $407 A)-$25
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