Question $2$

If the hourly wage is $\backslash (\backslash$$ $8\backslash ),$ which of the below statements is true?

Table $18\mathrm{.}2$

$\backslash$begin$\{$tabular$\}\{|$c$|$c$|\}$

$\backslash$hline Workers & Total Revenue per Hour $\backslash \backslash$

$\backslash$hline $1$ & $\backslash (\backslash$$ $30\backslash )\backslash \backslash$

$\backslash$hline $2$ & $\backslash (\backslash$$ $50\backslash )\backslash \backslash$

$\backslash$hline $3$ & $\backslash (\backslash$$ $65\backslash )\backslash \backslash$

$\backslash$hline $4$ & $\backslash (\backslash$$ $75\backslash )\backslash \backslash$

$\backslash$hline $5$ & $\backslash (\backslash$$ $80\backslash )\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$

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a The business's profits would rise if it hired a fourth worker.

b The marginal product for the fifth worker is $\backslash (\backslash$$ $15\backslash ).$

c The marginal product for the second worker is $\backslash (\backslash$$ $50\backslash ).$

d The businesses profits would rise if it hired a fifth worker.