Well, to do this problem you multiply the 900,000 by .05 and then add this amount to the original for 6 years.
2021: 945,000
2022: 992250
2023: 1041862
2024: 1093955
2025: 1203351
2026: 1263518
[2027: 1326694] remainder .68
Please give a thanks if this is right!