Refer to Table 5

question 14

Multiple Choice

$$\begin{array}{l}\begin{array} { c | c } \begin{array} { c } \text { Output } \\\text { (Bushels of } \\\text { Barley) }\end{array} & \begin{array} { c } \text { Marginal } \\\text { Cost } \\\text { (Dollars) }\end{array} \\\hline 10 \text { bushels } & \$ 0.30 \\20 \text { bushels } & \$ 0.60 \\30 \text { bushels } & \$ 0.90 \\40 \text { bushels } & \$ 1.20\end{array}\\\text { Table } 5.1\end{array}$$ Refer to Table 5.1,which gives Farmer McColl's marginal cost function for barley.If the current market price for barley is $1.00 per bushel,how much barley should Farmer McColl produce?

• A) 20 bushels.
• B) 30 bushels.
• C) Between 30 and 40 bushels.
• D) More than 40 bushels.

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The average period that a person may expect to live, based on the statistical analysis of the age-specific death rates for a given population.

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An early method of immunization against smallpox, involving the introduction of material from smallpox sores into the skin to induce immunity.

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The environmental, cultural and economic factors that influence the lives and opportunities of those within a society.