Answer:
$11,608
Step-by-step explanation:
We must calculate the present value of your Aunt's gifts using her predicted interest rates as variable discount rates:
present value of the $5,000 = $5,000 / 1.065 = $4,695
present value of the first $3,000 = ($3,000 / 1.065) / 1.0775 = $2,614
present value of the second $3,000 = [($3,000 / 1.065) / 1.0775] / 1.045 = $2,502
present value of $4,000 = {[($3,000 / 1.065) / 1.0775] / 1.045)} / 1.025 = $3,254
Aunt Mabel should deposit $11,608 in her bank account