7. Amount after 10 years,
Total increment = 8920 x 9/100 x 10 = 8028
Amount after 10 years = 8920 + 8028 = 16, 948 dollars
8. Amount after 7 years
Total increment = 112 million x 4/100 x 7 = 31.36 million
Amount after 7 years = 112 million + 31.36 million = 143. 36 million = 143 million.
