Problem 4-72 (algorithmic) Question Help Find the value of the unknown quantity, P, that establishes equivalence in the cash flow diagram below. Suppose i 17% per year. Use an annuity factor and a uniform gradient factor in your solution. $2,500 $1,500 $1,150 $800 $450 $450 $450 $450 $450 9 10 1 2 7 End of Year Po=? Po-$(Round to the nearest dollar.)