SR Toys started 2020 with no inventories. During the year, their expected and actual production was 30,000 units, which they sold 24,000 units at $50 each. Cost data for the year is as follows: (Click the icon to view the cost data.) Calculate SR Toys' operating income under (1) variable costing, and (2) absorption costing. Explain why operating income differs under the two approaches. Begin by calculating SR Toys' operating income under (1) variable costing. (If an input field is not used in the table, leave the input field empty; do not select a label or enter a zero.) \begin{tabular}{l} Revenues \\ \hline Variable cost of goods sold \\ \hline Variable marketing costs \\ \hline Contribution margin \\ \hline Fixed manufacturing costs \\ \hline Fixed marketing costs \\ Operating income \end{tabular}