Sally opens a bank account with $500. the account accrues 5% interest compounded annually. how much money will she have in her account at the end of 4 years? (use the formula a=p(1+rn)nt , where p = initial amount of money, r = interest rate, t = the number of years, and n = number of times the interest is compounded per year.) (round to the nearest cent)

(it is 24 points)