Answer
58285.54 dollars
Work Step by Step
The flow of rate of the investment stream can be expressed as: $R(t)=9706.67$ dollars per year.
We have: $r=0.0475$ and $T=7 \ years$
The future value is equal to: $\int_0^{7} 9706.67e^{0.0475(7-t)} \ dt =79866. 31$ dollars
Therefore, the present value is equal to:$\dfrac{\ Future Value}{e^{rT}}=\dfrac{79866. 31}{e^{0.0475\times 7}}=58285.54$ dollars