Venuchi Company needs $10,000 on January 1, 2017. It is starting a fund to produce that amount.

Instructions
Compute the amount that must be invested in the fund to produce a $10,000 balance on January 1, 2017, if:
  (a) The initial investment is made January 1, 2012, and the fund earns 6% per year.
  (b) The initial investment is made January 1, 2014, and the fund earns 6% per year.
  (c) The initial investment is made January 1, 2012, and the fund earns 10% per year.
  (d) The initial investment is made January 1, 2014, and the fund earns 10% per year.