The Figure Above Shows the Marginal Benefit of Additional Minutes

question 178

Multiple Choice

The figure above shows the marginal benefit of additional minutes in a cell-phone plan.The marginal cost is constant at $0.10 per minute.
-What is the optimal number of minutes to purchase?

• A) 0.
• B) 100.
• C) 200.
• D) 300.
• E) 400.

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Definitions:

Epigenetic Mark

Chemical modifications to the DNA or surrounding proteins that affect gene expression without changing the DNA sequence and can be influenced by environmental factors.

Synapse

The junction between two neurons, facilitating the transmission of electrical or chemical signals from one neuron to the other.

Neurotransmitter

A chemical substance that transmits signals across a synapse between neurons in the nervous system.

Genome

The complete set of DNA, including all of its genes, in an organism or cell.