Whole Food's Market, the organic food retail chain, operates 365 days a year. In 2007, the company turned its inventory 25.6 times. The company reported a gross margin of 37.6% and annual sales of $6,592M that year. (Note: 'Margin' is defined here as 1 - COGS/revenues.)
QUESTION: What was Whole Food's average inventory in 2007 (valued at COGS)?
Note: Question to be solved with the information above / no additional information required to solve.