4. Chapter 8, Review Question 8-4 (Page 301) (15 points) (What are the most important tools and technologies for safeguarding information resources?) 5. Chapter 10, (A) Review Question 10-1 (Page 375) (10 points) (What are the unique features of e-commerce, digital markets and digital goods?) (B) Review Question 10-2 (Page 375) (10 points) (What are the principal ecommerce business and revenue models?) 6. Chapter 12, Review Question 12-2 (Page 454) (15 points) (What are the alternative methods for building information systems?) 7. Excel Question (10 points) Chapter 11 Improving Decision Making 11-10 (Page 416). Dataset from myMISLab is attached