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4.29 or 4.2892

Step-by-step explanation:

APY = (1 + r/n)^n – 1

r - the interest rate

n - the number of times the interest is compounded per year

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of