DEARBORN, Mich. Due to a shift in its production plant and unexpected demand, Ford Motor Co. predicts it will sell out of its current model Mustang this summer, according to Automotive News. Ford has been building Mustangs on overtime to keep up with demand. Mustang sales are up 16 percent this year. Production of the 2004 model will end May 10 at the company’s Rouge plant in Dearborn, Mich. and then shift to Flat Rock, Mich., where it runs a joint-venture assembly plant with Mazda.Despite the extra production, Mustang stocks have decreased from a 127-day supply on March 1 to a 96-day supply on April 1, according to Automotive News. Mustang rebates are likely to be reduced as inventory drops, Ford Division President Steve Lyons said.Despite a decline in market share, Ford Motor Co.’s profit more than doubled in the first-quarter of 2004 to its highest in four years. Ford reported first-quarter net income of 94 cents a share, or $1.95 billion, compared to net income of 45 cents per share, or $896 million, in the first quarter of 2003.