As PCs decline, it's Apple that's making real money from PCs | Macbooks - InfoWorld

Room for Mac/PC price competition

"Apple doesn't even make the list of top five sellers of PCs in the world (though it is No. 3 in the United States), but some number crunching by Asymco's Horace Dediu shows a surprising fact: Apple earns 45 percent of the operating profits in the PC industry. The top five sellers -- Hewlett-Packard, Dell, Lenovo, Asus, and Acer -- together make only 33 percent of operating profit."

As PCs decline, it's Apple that's making real money from PCs | Macbooks - InfoWorld