In its 2006 annual report, Home Depot reported that fiscal 2006 sales increased to $90.8 billion (from $81.5 billion the previous fiscal year), while profits decreased to $5.761 billion (from $5.838 billion). Total assets increased from $44.4 billion in 2005 to $52.2 billion in 2006, while shareholders' equity during the same time period decreased from $26.9 billion to $250.0 billion. The company's cash balance decreased $193 million with cash flows from operating activities (+$7.7 billion), investing activities (-$7.6 billion), and financing activities (-$207 million). Discuss possible explanations for these financial results.