A1 Profit Reports for WooCommerce adds the reporting layer WooCommerce’s own Cost of Goods Sold feature doesn’t provide:

Sortable Profit and Margin columns on the product list.
A Profit row on every order, and a Profit column on the orders list — refund-aware.
A date-range Cost of Goods report: summary cards, a per-product profit breakdown, and CSV export.
Quick-select date presets (Last 30 Days, This Month, This Quarter, Last Quarter, This Year, Last Year).
A tool to recalculate historical cost for orders that predate Cost of Goods tracking.
Configurable order statuses for what counts as a sale in reports.

This plugin reads and writes cost data through WooCommerce’s own Cost of Goods Sold field (WC_Product::get_cogs_value() / get_cogs_total_value()), so cost entry, Quick Edit, and Bulk Edit all work the way they already do in WooCommerce — this plugin doesn’t duplicate that, it reports on top of it.

Requirements

WooCommerce 9.5 or newer (this plugin reports on top of WooCommerce’s own native Cost of Goods Sold field, which isn’t available on older versions).
WooCommerce’s Cost of Goods Sold feature must be enabled (WooCommerce Settings Advanced Features). The plugin turns this on automatically on activation.

Scale

Not recommended for stores exceeding roughly 10,000 sales/month, particularly when using wide date ranges like “This Year” — report data is cached, but a first-time computation over a very large order volume can still be slow.