Complex sentence: Randy explains to Stan that the economy is failing due to people spending their money on luxuries, and ironically continues his tirade while making himself a margarita in a Margaritaville-brand mixer, the noise of which drowns out his voice.
Split into simpler sentences: Randy explains to Stan that the economy is failing due to people spending their money on luxuries. Ironically, he continues his tirade while making himself a margarita in a Margaritaville-brand mixer, the noise of which drowns out his voice.