$($Present value of an uneven stream of payments$)$ You are given three investment alternatives to analyze. The cash flows from these three investments are as follows:

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What is the present value of each of these three investments if the appropriate discount rate is $12$ percent?

a$.$ What is the present value of investment A at an annual discount rate of $12$ percent?

$$,($Round to the nearest cent.$)$

b$.$ What is the present value of investment $B$ at an annual discount rate of $12$ percent?

$$,($Round to the nearest cent.$)$

c$.$ What is the present value of investment C at an annual discount rate of $12$ percent?

s $($Round to the nearest cent.$)$