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Question
Macroeconomics
Posted 9 months ago

Blammo Inc. produces greeting cards in a perfectly competitive market. The table below shows the total number of greeting cards produced using different amounts of labor. The market price for a greeting card is $4\$ 4.
\begin{tabular}{lll} 
Units of labor & Total produced & Marginal Product \\
\hline 0 & 0 & - \\
1 & 100 & 100 \\
2 & 220 & 120 \\
3 & 300 & 80 \\
4 & 360 & 60 \\
5 & 400 & 40 \\
6 & 400 & 0
\end{tabular}

What is the marginal revenue product of labor (MRP_L) of the fifth worker?

Choose 1 answer:
(A) $400\$ 400
(B) $0\$ 0
(C) $4\$ 4
(D) $60\$ 60
(E) $160\$ 160
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Answer from Sia
Posted 9 months ago
Solution
a
Marginal Revenue Product (MRP_L): The marginal revenue product of labor is the additional revenue a firm earns by employing one more unit of labor. It is calculated as the marginal product (MP) of labor times the price of the output (P)
b
Calculation for the fifth worker: The marginal product for the fifth worker is 40 greeting cards. Given that the price of a greeting card is $4, the MRP_L for the fifth worker is calculated as MRP_L = MP \times P = 40 \times 4
Answer
$160
Key Concept
Marginal Revenue Product of Labor (MRP_L)
Explanation
The MRP_L for the fifth worker is found by multiplying the marginal product of the fifth worker by the market price of a greeting card, resulting in $160.

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