Use the graph to the right to estimate the average rate of change of the percentage of new employees from 1992 to 1999, from 1999 to 2007, and from 1992 to 2007.Using numbers read from the graph, set up the expression that should be used to calculate the average rate of change of the percentage of new employees from 1992 to 1999.(Use integers or decimals for any numbers in the expression. Do not simplify. Do not perform the calculation.)What is the average rate of change of the percentage of new employees from 1992 to 1999?% per year(Type an integer or decimal rounded to two decimal places as needed.)What is the average rate of change of the percentage of new employees from 1999 to 2007?% per year(Type an integer or decimal rounded to two decimal places as needed.)What is the average rate of change of the percentage of new employees from 1992 to 2007?% per year(Type an integer or decimal rounded to two decimal places as needed.)