answer of question 1 in euro please

Case Study - Cost in use, not cost to buy 1. Review the case study on pages 137 - 138 of our textbook. If your energy consumption savings over 5 years equals a 10 percent saving, how much do you save in a euro amount? 2. Explain the difference between "cost in use" and "cost to buy". How could this help you develop a value proposition? 3. Based on this saving, what other strategies could you employ to keep this customer happy other than the ones supplied in this case study. List three other strategies