$($Related to Checkpoint $6\mathrm{.}6)($Present value of annuities and complex cash flows$)$ You are given three investment alternatives to analyze. The cash flows fror investments are as follows:

Investment Alternatives

$\backslash$table$[[$End of Year,A$,$B$,$C$],[1,$$$16,000,,],[2,16,000,,],[3,16,000,,],[4,16,000,,],[5,16,000,$$$16,000,80,000],[6,,16,000,],[7,,16,000,],[8,,16,000,]]$

a$.$ What is the present value of investment $A$ at an annual discount rate of $25$ percent?

S $($Round to the nearest cent$)$

b$.$ What is the present value of investment $B$ at an annual discount rate of $25$ percent?

$($Round to the nearest cent$)$