$$
\begin{aligned}
&\text { A firm uses standard marginal costing. Last period the following results were recorded: }\\
&\begin{array}{ll}
\text { Actual sales units } & 5,000 \\
\text { Standard contribution per unit } & \$ 60 \\
\text { Sales price variance } & \$ 5,000 \text { Adverse } \\
\text { Sales volume contribution variance } & \$ 8,000 \text { Favourable } \\
\text { No other variances arose last period. } &
\end{array}
\end{aligned}
$$
$$
\begin{array}{ll}
\circ & \$ 295,000 \\
\circ & \$ 305,000 \\
\circ & \$ 303,000 \\
\circ & \$ 297,000
\end{array}
$$