Stocky should do this.  It has a stock on hand report which gives you total cost price valuation, and retail price valuation.

Hi all,  first post here, as we've just set up a new webshop and are in the process of trying to switch over our POS to this in the shop too.  Hitting a few stumbling blocks though.  We have a 12.8 Ipad Pro, and the 2d Scanner.  All other shopify har...