I need help !!

Richland's real GDP per person is $10,000 and Poorland's real GDP per person is $5,000. However Richland is growing at 1% per year and Poorland is growing at 3% per year. Compare real GDP per person after 20 years and after 40 years. Please enter your answers as numerical responses rounded to the nearest dollar, and do not type out your answer as words. (ie. $13,452 not "Thirteen thousand four hundred fifty-two dollars"). What is Richland's Real GDP after 20 years? What is Richland's Real GDP after 40 years? What is Poorland's Real GDP after 20 years? What is Poorland's Real GDP after 40 years