EduFarming
Your list · 0हिं

Type at least two letters. Press Esc to close.

↑↓ navigate↵ openTAB cycle filter

Consumer & Producer Surplus · Question 15 of 70

Question 15

HardOriginal question

The marginal cost is MC=8+6xMC = 8 + 6x rupees, and the total cost of 10 units is ₹900. What is the fixed cost?

Options for question 15

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. C(x)=8x+3x2+FC(x) = 8x + 3x^{2} + F, so C(10)=80+300+FC(10) = 80 + 300 + F.

  2. 380+F=900380 + F = 900, so F=520F = 520 rupees.

Worth noting

₹380 is the variable cost of 10 units, not the fixed cost.

Concept
The fixed cost from one known cost
Typical time
120 s
Your time
—
The rule this testsTotal cost from marginal cost
Practise this chapter →

Ten questions from Consumer & Producer Surplus, at your own pace.

Practise this chapter →

Ten questions from Consumer & Producer Surplus, at your own pace.

Practise this chapterAll 70 questions in Consumer & Producer SurplusRevise the notes for Consumer & Producer Surplus