Expressed as a Common-Size Percentage, Inventories Are Probably Highest for Companies

Expressed as a common-size percentage, inventories are probably highest for companies in which industry?

A) Finance - like Deutsche Bank, Chase Manhattan, Barclays
B) Airlines - like Delta Airlines, Air China, Air Iberia
C) Retail - like Carrefour, Whole Foods Market, Amazon
D) Hospitality - like Marriott International, the Singapore Raffles Hotel, the New York Waldorf Astoria Hotel