For Russia, the opportunity cost of producing one motorcycle is:

Time Needed to Produce One:

$\backslash$table$[[,$Motorcycle,Computer$],[$Germany$,4$ hours,$16$ impurs$],[$Russia$,8$ hours,$16$ hours$]]$

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a $\frac{1}{4}$ computer.

b $\frac{1}{2}$ computer.

$2$ computers.

d $4$ computers.