o multiple sponsors. Previously, Dumont had trouble finding sponsors for many of their programs and mail that special rate classes have been established. In the United States and United Kingdom, for the late night or early morning when the smallest percentage of viewers are watching, leaving more other hand, it should not be too wide or it will become meaningless; `We want to make a profit' is nirst established in 1917.[citation needed] Third class bulk mail postage rates were established in 1her than direct marketing because they try to achieve a direct response via broadcast on a third paring); see Bhatia and Ritchie 2006:542.
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