(1 point) (Exercise 7.26) You invest $3000 at time t=0 and an additional $4000 at time t=1/2. At time t=1 you have $7200 in your account. Find the amount that would have to be in your account at time t=1/2 before deposit, if the timeweighted rate of return over the year is exactly 0.06 higher than the dollarweighted rate of return. Assume simple interest in calculating the dollar-weighted return. ANSWER =$