Apple has announced the results of its fourth fiscal quarter, which ended on September 25th. The company is claiming "record" revenue of $20.34 billion, and a net quarterly profit of $4.31 billion, or $4.64 per diluted share. For comparison Apple notes that in Q4 2009 it posted $12.21 billion in revenue, $2.53 billion in profit, and $2.77 per diluted share. Gross margin fell this year, slipping from 41.8 percent to 36.9. International sales amounted for more than half of the company's revenue at 57 percent.