Assume the annual rate of change in the national debt of a country (in billions of dollars per year) can be modeled by the function D'(t) = 847.47 + 823.12t - 168.69t + 13.4t %3D where t is the number...

Extracted text: Assume the annual rate of change in the national debt of a country (in billions of dollars per year) can be modeled by the function D'(t) = 847.47 + 823.12t - 168.69t + 13.4t %3D where t is the number of years since 1995. By how much did the debt increase between 1996 and 2002? The debt increased by $ (Round to two decimal places as needed.) billion.