Inventory Turnover and DSI

Turnover ratio, days sales of inventory, comparison against bundled industry median (Census ARTS / SBA).

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Formula and source

Average inventory = (BI + EI) / 2. Turnover = COGS / avg_inventory. Days sales of inventory = period_days / turnover.

Standard inventory-management identity. Industry medians bundled from U.S. Census Annual Retail Trade Survey (ARTS) and SBA published medians.

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