TuneCore and pitchforkmedia.com. TuneCore's first customer was Frank Black, lead singer of the Pixies. In 2008, TuneCore was utilized by Nine Inch Nails to deliver the music from their album, "Ghosts I–IV" to the Amazon MP3 store. In December 2006, music instrument and equipment retailer Guitar Center bought a stake in TuneCore, giving the company access to the music retailer's customers. In the United States, TuneCore represents about 10 percent of the 20 million songs on iTunes, and it accounts for almost 4 percent of all digital sales. TuneCore reportedly fired Jeff Price, a co-founder and then-CEO, after the company faced
Dual-sector model the industrial wage. Given the profit maximization assumption, employment of labor within the industrial sector is given by the point where marginal product is equal to the rate of wages, i.e. OM. Since the wages in the capitalist sector depend on the earnings of the subsistence sector, capitalists would like to keep down productivity/wages in the subsistence sector, so that the capitalist sector may expand at a fixed wage. In the capitalist sector labor is employed up to the point where its marginal product equals wage, since a capitalist employer would be reducing his surplus if he paid labor more