How does the Qlik Associative Engine analyze data from one or more data sources?

A business analyst is developing an app that contains a data model with fields Country. City. Sales ProductName and ProductCategory. The global sales manager wants to add new visualizations to this app The business analyst must include the following
* Ability to dynamically change the number of countries and cities
* Display a maximum of 10 countries
* Display a maximum of 5 cities per country
Which steps should the business analyst take?

A Help Desk department sets a first-time fix target of 65% for ail customer calls. The department has a measure that captures the actual first-time fix percentage. A business analyst needs to choose the visualization that most effectively shows the performance against the target using a color gradient Which visualization should the business analyst use?