Apple reported its fourth quarter 2015 financial results today, with 48 million iPhones and 9.8 million iPads sold. The company posted quarterly revenue of $51.5 billion and quarterly net profit of $11.1 billion, or $1.96 per diluted share. In Q4 2014, Apple had revenue of $42.1 billion and net profit of $8.5 billion, or $1.42 per diluted share. Gross margin was 39.9 percent compared to 38 percent a year ago. International sales contributed to 62…