Which of the following conditions acts to diminish buyer bargaining power? When the costs incurred by buyers in switching to competing brands or to substitute products are relatively low When buyers are few in number and/or often purchase in large quantities When buyers have discretion to delay their purchases or perhaps not make a purchase at all. o When there are big differences among the features, performance, and quality of rival brands, such that many buyers come to prefer the brand most suitable to their preferences and pocketbook When buyers purchase the item frequently or when supplies of the product are greater than buyer demand