Falling prices for industrial wholesale goods combined with consumer food inflation at a decade high present Chinese policy makers with a worsening dilemma as the coronavirus continues to freeze economic activity in China and around the world. Chinese producer prices fell back into deflation territory in February, the product of sluggish demand and prolonged shutdowns that have left factories idle for weeks. The producer-price index, a gauge of factory-gate prices, fell 0.4% in February from a year earlier, the National…