(Answered) : Using The Fortune 500 List, identify one company that uses Lowest-Cost Strategy and one company that uses Differentiation Strate

<p>Scholars in Transport and Freight management has been involvedin the activities of International waste management of waste orrefuse around the cities of the world to prevent mountains ofgarbage piling up

<br/><img src="https://media.cheggcdn.com/media%2F5b4%2F5b483ea8-709b-4111-963f-655e2d2eecc5%2Fimage.png" alt="media%2F5b4%2F5b483ea8-709b-4111-963f-65"/><br/><br/>class Lexicon:<br/><br/>def __init__(self, openFile):self.file = openFileself.wordsList = self.listOfWords(self.file)<br/><br/>  def listOfWords(self, fileName):lexiconList = list()for entry in fileName: #Recall, our words file has one wordper line.lexiconList.append(entry.rstrip('n'))return lexiconList<br/>def __contains__(self, x): #Exercise 8.21if

<p><img alt="[10 points] Prove that for all sets A, B, C, D, (A × B) n (C × D) = iff either A n C = 0 or B n