The figure to the right shows the number of full-time employees of a company (in millions) as a function of the revenue generated by the company (in billions). Find and interpret the average rate of changeof employees with respect to revenue for the following changes in revenue.(a) $5 billion to $31 billion(b) $31 billion to $107 billion(c) $5 billion to $107 billionCO(a) The average rate of change of employees with respect to revenue for the changes from $5 billion to $31 billion is about employees/billion dollars.(Round to the nearest thousands as needed.)Employees (millions)AY70-60-50-40-30-20-10-15.11(107.5531310 20 40 60 80 100 120Revenue (billions)