The Table Shows the Number of Rubies and Diamonds That

question 1

Multiple Choice

The table shows the number of rubies and diamonds that Botswana and Namibia can mine using one day of labor. The opportunity cost of mining one diamond is _____ in Botswana and _____ in Namibia, and _____ has a comparative advantage in diamond production.
$\begin{array}{lclc} & \text { Rubies } & & \text { Diamonds } \\\text { Botswana } & 90 & \text { or } & 30 \\\text { Namibia } & 80 & \text { or } & 20\end{array}$

• A) 0.33 ruby; 0.25 ruby; Namibia
• B) 0.33 ruby; 0.25 ruby; Botswana
• C) 3 rubies; 4 rubies; Namibia
• D) 3 rubies; 4 rubies; Botswana

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