Apple reported its first quarter 2015 financial results today, selling 74.5 million iPhones and 24.4 million iPads. The company posted quarterly revenue of $74.6 billion and quarterly net profit of $18 billion, or $3.06 per diluted share. In Q1 2014, Apple had revenue of $57.6 billion and net profit of $13.1 billion, or 2.07 per diluted share. Gross margin was 39.9 percent compared to 37.9 percent a year ago. International sales contributed to 65…