Use the Following to Answer Questions: Table: IPhone and IPod

Use the following to answer questions: Table: iPhone and iPod Production $$\begin{array} { l c c } \hline & \text { One iPhone } & \text { One iPod } \\\hline \text { Canadian labor units } & 3 & 4 \\\text { United States labor units } & 2 & 2 \\\hline\end{array}$$
-(Table: iPhone and iPod Production) According to the table on iPhone and iPod production, the opportunity cost of producing one iPhone is:

A) 4/3 of one iPod for Canada, and two iPods for the United States.
B) two iPods for Canada, and four iPods for the United States.
C) 3/4 of one iPod for Canada, and one iPod for the United States.
D) one iPod for Canada, and 3/4 of one iPod for the United States.