Anna deposited $10,000 into an account three years ago. The first year she earned 12 percent interest, the second year she earned 8 percent interest, and the third year she earned 4 percent interest. How much money does she have in her account today?

Answer:$12579.84Step-by-step explanation:Anna deposited $10,000 into an account three years ago. The first year she earned 12 percent interestInterest = 12% of 10000 =[tex]\frac{12}{100} \times 10000=1200[/tex]Amount at the end of first year = 10000+1200 = 11200The second year she earned 8 percent interestInterest = 8% of 11200 =[tex]\frac{8}{100} \times 11200=896[/tex]Amount at the end of second year = 11200+896 = 12096The third year she earned 4 percent interest.Interest = 4% of 12096 =[tex]\frac{4}{100} \times 12096=483.84[/tex]Amount at the end of third year = 12096+483.84 = 12579.84Hence she have $12579.84 in her account today