Answer
see explanation
Work Step by Step
\begin{aligned}
&\frac{\square}{C}\\
&\begin{array}{cccc}
\text { Distribution of Output From: } & & \text { Purchased } \\
\hline \text { Chemicals } & \text { Fuels } & \text { Machinery } & \\
\hline \downarrow & \downarrow & \downarrow & \text { by: } \\
2 & .8 & .4 & \rightarrow & \text { Chemicals } \\
3 & .1 & .4 & \longrightarrow & \text { Fucls } \\
5 & .1 & .2 & \longrightarrow & \text { Machinery }
\end{array}
\end{aligned}
Fill in the exchange table one column at a time. The entries in a column describe where a sector's output goes. The decimal fractions in each column sum to 1