Required information

$[$The following information applies to the questions displayed below.$]$

The following data were provided by Mystery Incorporated for the year ended December $31$:

$\backslash$table$[[,,],[,,],[\backslash$table$[[$Cost of Goods Sold$],[$Income Tax Expense$],[$Merchandise Sales $($gross revenue$)]]],[\{$

$\backslash$table$[[$Merchandise Sales $($gross revenue$)$ on Credit$],[$Office Expense$]]\}],[\{$

$\backslash$table$[[$Office Expense$],[$Sales Returns and Allowances$]]\}],[,],[\backslash$table$[[$Sales Returns and Allowances$],[$Salaries and Wages Expense$]]]]$

Required:

Prepare a multistep income statement for external reporting purposes.