In fiscal 2015, Madi's reported cost of goods sold (before shrinkage) of $17.9 billion, ending inventory for 2015 of $7.5 billion, and ending inventory for the previous year (2014) of $7.2 billion. Required: If the cost of inventory purchases was $18.7 billion, what was the cost of shrinkage during 2015? (Enter your answer in billions rounded to 1 decimal place.) Cost of Shrinkage billion