Apple R&D spending up nearly 40 percent in 2012

Apple increased the amount it spent on research and development during 2012, though it remained a fraction of its overall spending.

According to the company’s annual report, which was filed with the U.S. Securities and Exchange Commission this afternoon, Apple spent $3.4 billion on research and development during its fiscal year, up $952 million, or 39 percent from last year. The year prior, the company spent $2.4 billion, up $647 million or 36 percent from the year before.