BEIJING (Reuters) - Tesla Inc has slashed prices on its Model 3 electric car in China.According to the California-based electric carmaker's Chinese website, prices of certain Model 3 cars were cut by up to 7.6 percent. The starting price for a Model 3 in China now is 499,000 yuan (£56,894.5).It was the third time in the last two months that Tesla has adjusted its prices in China. In November, the company cut the prices of its Model X and Model S cars by 12 to 26 percent.Tesla at the time said..