We have been given that the APR of Vinny's savings account is 3.5%, but interest is compounded only once a year. Wee are asked to find the Annual percentage yield of Vinny's savings account.
We will APY formula to solve our given problem.
, where,
r = Annual percentage rate in decimal form,
n = Number of times interest is compounded per year.

Since interest is compounded per year, so
.




Upon converting 0.035 to percent, we will get
%.
Therefore, APY of Vinny's savings account is 3.5%.