Suppose the price of salt increases by 25 percent and, as a result, the quantity of pepper demanded (holding the price of pepper constant) increases by 4 percent. The cross-price elasticity of demand between salt and pepper is nothing. (Enter your response rounded to two decimal places and include a minus sign if appropriate.) In this example, salt and pepper are ▼ substitutes not related complements . Instead, suppose salt and pepper were complements. If so, then the cross-price elasticity of demand between salt and pepper would be A. negative. B. zero. C. positive. D. greater than 1. E. greater than minus1.