A woman made 30,000 during the first year she owned her business and made an additional 10% over the previous year in each subsequent year. find how much she made during her fourth year of business. find her total earnings during the first four years.

r=.10 a1=30000

the anwer is 39,930;139,230
I tried using the partial sum geometric sequence equation but i cant seem to get the answer right.

Question

A woman made 30,000 during the first year she owned her business and made an additional 10% over the previous year in each subsequent year. find how much she made during her fourth year of business. find her total earnings during the first four years.

r=.10 a1=30000

the anwer is 39,930;139,230
I tried using the partial sum geometric sequence equation but i cant seem to get the answer right.