Categorize the following items as a final good, an intermediate good, or neither a final good nor an intermediate good. cough medicine purchased by tracy who has a cold is an example of good. biscotti bought by southwest airlines and served to passengers is an example of good. a. neither a final nor an intermediate; a final b. a final; an intermediate c. neither a final nor an intermediate; an intermediate d. a final; a final gravel purchased by a firm that produces cement is an example of good. concrete purchased by your swimming pool inc. is an example of good. a. a final; an intermediate b. a final; a final c. an intermediate; an intermediate d. an intermediate; a final.