An analyst gathered the following information:The value of a single default-free cash f
An analyst gathered the following information:

The value of a single, default-free cash flow of $50,000 at the end of Period 4 is closest to:()。
:A.$46,265.
B.$46,299.
C.$46,316.
请帮忙给出正确答案和分析,谢谢!