2. Present value analysis: Working backward The following information pertains to four independent investments: A B D Present value ? $19,646 $34,625 $50,852 Interest rate 10% ? 14% 12% ? 10 years Investment period Annual cash inflows 4 years $8,000 5 years $ 6,000 $ 7,000 ? Determine the unknown for each of the investments. (Note: Amounts have been rounded to the nearest dollar; please consider this procedure in your calculation Do not interpolate.)