You are the founder and president of a small janitorial and landscaping service that employs 100 people. You anticipate hiring another 25 people over the next 8-12 months, due to increasing new contracts with local businesses and residences that require your services. You believe this growth in business will translate into revenues and profits 30-40% higher than now if customer satisfaction remains high. What specific metrics and HR practices should HR implement to ensure continued and improved customer service?