The reasons for the substantial price increase of road salt discussed in the "Salt stress: Road salt prices higher as winter looms" article are that __________. Group of answer choices road salt is not necessary in winter, so producers are increasing the price to compensate for lower demand road salt is the same as cooking salt and people are using more salt in their spaghetti salt production is increasing while demand for salt is decreasing cities need road salt as reserves were depleted by the previous heavy winter, while there are production disruptions