What amount must be deposited today in an investment account, which offers a yield (effective interest) of 19.3% per year in the first year and 6.7% per year in the following 4 years, in such a way that $ 4,473 can be withdrawn at the end of the year 3, $ 6,969 at the end of year 4 and $ 2,649 at the end of year 5 and the count is zero? Use at least 4 decimal places for your calculations.

***Excel is not allow***