Four years ago, you opened a mutual fund account and made three deposits: $200 four years ago, $X th… Show more Four years ago, you opened a mutual fund account and made three deposits: $200 four years ago, $X three years ago, and $300 one year ago on which you earned varying interest rates according to the diagram shown below. Today your balance shows that you have $1000. Determine the amount of deposits made three years ago “$X”. • Show less