Gce Model Questions Vol1 2017 Economics Question 50

Practice objective / multiple choice question 50 from the 2017 Gce Model Questions Vol1 Economics examination.

Gce Model Questions Vol1 2017 Economics Objective / Multiple Choice Medium Difficulty
Question 50 GCE_MODEL_QUESTIONS_VOL1 • 2017 • ECONOMICS • objective

A firm faces the linear demand curve \(P = 200 - 2Q\) (price in thousand Naira). Its total cost function is \(TC = 20Q + 0.5Q^{2}\) (thousand Naira).\n\n(a) Derive the expressions for marginal revenue (MR) and marginal cost (MC).\n(b) Determine the profit‑maximising output and the corresponding price.\n(c) Calculate the profit at that output.

Answer Options

A. Q* = 30 units; P* = ₦140 k; profit = ₦2,800 k
B. Q* = 40 units; P* = ₦120 k; profit = ₦3,600 k
Correct Answer C. Q* = 36 units; P* = ₦128 k; profit = ₦3,240 k
D. Q* = 34 units; P* = ₦132 k; profit = ₦2,900 k
Correct Answer
C
Correct Option:
Q* = 36 units; P* = ₦128 k; profit = ₦3,240 k

About This Question

This is Gce Model Questions Vol1 2017 Economics Question 50. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Economics examination.

Difficulty level: Medium .

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