Wilpen Company, a price-setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen estimates the U.S. demand for its tennis balls by using the following linear specification:
I'm sorry, but it seems like you haven't provided the linear specification for the demand of Wilpen Company's tennis balls in the United States. If you provide the necessary information, I can assist you in understanding and explaining it further.
