5.6 In a rush to complete its purchase of health software producer HBO, McKesson did not perform adequate due diligence but, rather, relied on representations and warranties in the agreement of sale and purchase. Within 6 months following closing, McKesson announced that it would have to reduce revenue by $327 million and net income by $191.5 million for the preceding 3 fiscal years to correct for accounting irregularities. The company’s stock fell by 48%. If HBO’s financial statements had been declared to be in accordance with GAAP, would McKesson have been justified in believing that HBO’s revenue and profit figures were 100% accurate?

Explain your answer.