Question one:- answer the following Question:

1.1 - Using information systems to support business decision making has been one of the primary thrusts of the business use of information technology. Explain both Business Intelligence and Business Analytics as a decision support trends.

1.2 - Sales considered one of the major application components of Customer Relationship Management systems aims to provide software tools and data sources to manage sales activities, and optimize cross-selling and up-selling. Discuss how these tools optimize cross-selling and up-selling.