Use the Figure to Answer the Following Question(s)

question 257

Multiple Choice

Use the figure to answer the following question(s) .
Figure 9-8

At the market price of $3 in Figure 9-8, indicate the firm's total revenue and total cost at its profit-maximizing level of output.

• A) total revenue, $45; total cost, $37 (approx.)
• B) total revenue, $45; total cost, $45
• C) total revenue, $60; total cost, $45
• D) total revenue, $80; total cost, $65 (approx.)

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Definitions:

Methyl Group

A nonpolar functional group; abbreviated CH3.

Magnesium Ion

Magnesium ion is a positively charged ion essential for many cellular processes, including enzyme activity, energy production, and neurotransmission.

Phosphate Group

A chemical group consisting of a phosphorus atom bound to four oxygen atoms, important in energy transfer and molecular structure in biological systems.

Hydrocarbon Side

Refers to the nonpolar, hydrophobic part of a molecule that consists of just hydrogen and carbon, commonly found in organic compounds and influencing their chemical behavior.