YITH Cost of Goods for WooCommerce Premium is woocomemrce extensions being distributed by YIThemes. YITH Cost of Goods for WooCommerce Premium give you abilites to track total profit and cost of goods by adding a “Cost of Good” field to simple and variable products.
YITH Cost of Goods for WooCommerce Premium Features :
Add the cost of good to all the products of your shop
Fully supports variable products: insert a cost of good of the same amount or different for each product variation
Detailed report of your shop sales
Gain easily the earning of every product sold
And many more. Check official website for more info