A market maker faces the following demand and supply for widgets. Eleven buyers are willing to buy at the following prices: $15, $14, $13, $12, $11, $10, $9, $8, $7, $6, $5. Eleven sellers are also willing to sell at the

ENGR.ECONOMIC ANALYSIS
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ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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A market maker faces the following
demand and supply for widgets.
Eleven buyers are willing to buy at the
following prices: $15, $14, $13, $12,
$11, $10, $9, $8, $7, $6, $5. Eleven
sellers are also willing to sell at the
same prices. If the market maker
makes three transactions, what is his
total profit?
a.
$12
b.
$15
C.
$18
d.
$21
Transcribed Image Text:A market maker faces the following demand and supply for widgets. Eleven buyers are willing to buy at the following prices: $15, $14, $13, $12, $11, $10, $9, $8, $7, $6, $5. Eleven sellers are also willing to sell at the same prices. If the market maker makes three transactions, what is his total profit? a. $12 b. $15 C. $18 d. $21
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