The Tables Give Production Possibilities Data for Two Countries, Alpha ${ \text { Alpha's production possibilities } }$

The tables give production possibilities data for two countries, Alpha and Beta, which have populations of equal size.
${ \text { Alpha's production possibilities } }$
$\begin{array}{l}\begin{array} { | l | c | c | c | c | c | } \hline & A & B & C & D & E \\\hline \text { Fish (Tons) } & 80 & 60 & 40 & 20 & 0 \\\hline \text { Chips (Tons) } & 0 & 5 & 10 & 15 & 20 \\\hline\end{array}\\\\\\{ \text { Beta's production possibilities } } \\\begin{array} { | l | c | c | c | c | c | } \hline & A & B & C & D & E \\\hline \text { Fish (Tons) } & 240 & 180 & 120 & 60 & 0 \\\hline \text { Chips (Tons) } & 0 & 10 & 20 & 30 & 40 \\\hline\end{array}\end{array}$ The domestic opportunity cost of

A) producing a ton of chips in Alpha is 1/5 of a ton of ?sh. $$1 / 5$$
B) producing a ton of chips in Beta is 6 tons of ?sh.
C) catching a ton of ?sh in Alpha is 5 tons of chips.
D) catching a ton of ?sh in Beta is 6 tons of chips.