please answer both a & b

6 a) Explain the two seemingly contradictory statements: 1. "The greater the quality the greater the cost and greater the price". 2. "The greater the quality the lower the cost and lower the price". And explain how successful implementation of total quality management (TQM) helps create competitive advantage to the firm. b) While superior service has always been an important component of marketing strategy to achieve sustainable competitive advantage it has increasingly become an indispensable tool for competitive positioning and customer relationship management (CRM). Explain