Determine the correct aggregation function that should be used in each of the following queries. All related to Wolrd db and business db. Name the function only: SUM, MAX, MIN, COUNT, AVG 1. a) To display the average life-expectancy of all countries. b) To display the largest population of cities in a country c) To display the number of countries in a continent. d) To display the number of official languages in a country e) To display the total population of a continent. f) To display the total number of orders from a company g) To display the lowest fright cost from a shipper h) To display the most expensive product i) To display the numbers of suppliers j) To display the total number of rooms in rental properties