5/9/25, 5:07 AM ECS2601-25-S1: Assessment 3
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Assessment 3
Opened: Tuesday, 22 April 2025, 12:00 PM
Closes: Tuesday, 13 May 2025, 8:00 PM
655110
Attempts allowed: 2
Grading method: Highest grade
Summary of your previous attempts
Attempt State Marks / 40.00 Grade / 100.00 Review
1 Finished 40.00 100.00
Submitted Friday, 9 May 2025, 5:06 AM
Highest grade: 100..00.
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,5/9/25, 6:30 AM Assessment 3 (page 1 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 1
Answer saved
Marked out of 2.00
A monopolist engages in perfect price discrimination …
a. the marginal revenue curve becomes horizontal.
b.
the marginal revenue curve lies below the demand curve.
c.
marginal cost becomes zero.
d.
the demand curve and the marginal revenue curve are identical.
Clear my choice
Question 2
Answer saved
Marked out of 2.00
For a monopolist the market price is affected by their choice of quantity.
Select one:
True
False
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27332032&cmid=1084868 1/1
, 5/9/25, 6:30 AM Assessment 3 (page 2 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 3
Answer saved
Marked out of 3.00
Given the relationship between the demand curve (Demand) and the marginal revenue (MR) curve of a monopolist in terms of
their steepness (slope), What is the MR curve function , when the Demand curve function is given by:
P = 100 - 4Q
a. MR = 200 - 8Q
b. MR = 100 - 8Q
c. MR = 50 - 2Q
d. MR = 100 - 2Q
Clear my choice
Question 4
Answer saved
Marked out of 3.00
A firm faces the following average revenue (demand) curve:
P = 120 – 0.02Q
where Q is weekly production and P is price, measured in cents per unit. The firm’s cost function is given by C = 60Q + 25,000.
Assume that the firm maximizes profits.
If the government decides to levy a unit tax of 14 cents per unit on this product, what will be the new level of profit?
a. 9800 cents per week.
b. 1450 cents per week.
c. 6450 cents per week
d. 359 250 cents per week.
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27332032&cmid=1084868&page=1 1/1
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Assessment 3
Opened: Tuesday, 22 April 2025, 12:00 PM
Closes: Tuesday, 13 May 2025, 8:00 PM
655110
Attempts allowed: 2
Grading method: Highest grade
Summary of your previous attempts
Attempt State Marks / 40.00 Grade / 100.00 Review
1 Finished 40.00 100.00
Submitted Friday, 9 May 2025, 5:06 AM
Highest grade: 100..00.
Contact us
Follow us
You are logged in as ANDILE WELCOME BAFO (Log out)
Data retention summary
Get the mobile app
Get the mobile app
This page is: General type: incourse. Context Quiz: Assessment 3 (context id 29684788). Page type mod-quiz-view.
https://mymodules.dtls.unisa.ac.za/mod/quiz/view.php?id=1084868 1/1
,5/9/25, 6:30 AM Assessment 3 (page 1 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 1
Answer saved
Marked out of 2.00
A monopolist engages in perfect price discrimination …
a. the marginal revenue curve becomes horizontal.
b.
the marginal revenue curve lies below the demand curve.
c.
marginal cost becomes zero.
d.
the demand curve and the marginal revenue curve are identical.
Clear my choice
Question 2
Answer saved
Marked out of 2.00
For a monopolist the market price is affected by their choice of quantity.
Select one:
True
False
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27332032&cmid=1084868 1/1
, 5/9/25, 6:30 AM Assessment 3 (page 2 of 9)
UNISA 2025 ECS2601-25-S1 Welcome Message Assessment 3
QUIZ
Question 3
Answer saved
Marked out of 3.00
Given the relationship between the demand curve (Demand) and the marginal revenue (MR) curve of a monopolist in terms of
their steepness (slope), What is the MR curve function , when the Demand curve function is given by:
P = 100 - 4Q
a. MR = 200 - 8Q
b. MR = 100 - 8Q
c. MR = 50 - 2Q
d. MR = 100 - 2Q
Clear my choice
Question 4
Answer saved
Marked out of 3.00
A firm faces the following average revenue (demand) curve:
P = 120 – 0.02Q
where Q is weekly production and P is price, measured in cents per unit. The firm’s cost function is given by C = 60Q + 25,000.
Assume that the firm maximizes profits.
If the government decides to levy a unit tax of 14 cents per unit on this product, what will be the new level of profit?
a. 9800 cents per week.
b. 1450 cents per week.
c. 6450 cents per week
d. 359 250 cents per week.
Clear my choice
https://mymodules.dtls.unisa.ac.za/mod/quiz/attempt.php?attempt=27332032&cmid=1084868&page=1 1/1
