not sure someone help me please

Suppose you makes a $1,000 initial investment today, a $4,000 additional investment at the end of year one, and another $500 investment at the end of year two. You had returns of 10% in year one, -5% in year two, and 4% in year three. What is the dollar-weighted average return on your investments? Select one: a. 2.81% b. 3.00% c. 5.10% d. 10.00% e. -2.59% Clear my choice Suppose you makes a $1,000 initial investment today, a $4,000 additional investment at the end of year one, and another $500 investment at the end of year two. You had returns of 10% in year one, -5% in year two, and 4% in year three. What is the dollar-weighted average return on your investments? Select one: a. 2.81% b. 3.00% c. 5.10% d. 10.00% e. -2.59% Clear my choice