Given the following cost functions: TC=100+60Q-3Q2+0.1Q3 TC=100+ 60Q+3Q2 TC=100 + 60Q Compute the average variable cost, average cost, and marginal cost for each function. Plot them on a graph.

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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Given the following cost functions:

TC=100+60Q-3Q2+0.1Q3

TC=100+ 60Q+3Q2

TC=100 + 60Q

  1. Compute the average variable cost, average cost, and marginal cost for each function. Plot them on a graph.
  2. In each case, indicate the point at which diminishing returns occurs. Also, indicate the point of maximum cost efficiency (i.e., the point of minimum average cost).
  3. What is the relationship between marginal cost and average variable cost and between marginal cost and average cost?  What is the relationship between average variable cost and average cost?
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