The subject is Financial Accounting Analysis. Identify when each of the following companies should recognize revenue. a. Valero Energy - integrated petroleum company that sells crude oil, natural gas and petroleum and chemical products under short-term agreements at prevailing market prices b. Boeing airplane manufacturer whose revenue is derived largely from long- term fixed-price contracts with airlines c. Wells Fargo - large commercial bank that earns interest on loans d. Ford Motor Company - manufactures and retails automobiles, provides financing for dealers and customers