E6-4 (Algo) Inferring Shrinkage Using a Perpetual Inventory System [LO 6-2] In the year ended February 2, 2019, Harris Company reported cost of goods sold (before shrinkage) of $17.5 billion; February 2,2019, inventory of $6.9 billion; and ending inventory for the previous year (February 3,2018 ) of $6.6 billion. Required: If the cost of inventory purchases was $18.3 billion, what was the cost of shrinkage during the year ended February 2, 2019? (Enter your answer in billions rounded to 1 decimal place.)