WAEC - Economics (2020 - No. 22)

The table below shows the total revenue schedule of a firm. Use the information to answer the question that follows

Output (units) 50 60 70 80 90
Total revenue (TR) $ 85 102 119 136 153

What is the firm's marginal revenue? 

$153.00
$17.00
$1.70
$O.80

Explanation

Marginal revenue = the change in total revenue divided by the change in total output quantity. 

MR = \(\frac{17}{10}\) = $1.7

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