Calculate the initial investment made five years ago in a stock mutual fund that earned an annual compound return of 6.3% during the initial three years, followed by an annual compound return of 3.5% over the most recent two years and is worth $7,680 today.

Note: Please round your answer to the nearest dollar. For example, if the calculated value of the investment is 1,234.78 enter it as: 1235 or 1,235.