A firm has the following investment alternatives. Each one lasts a year.

The firm's cost of capital is $7$ percent. A and B are mutually exclusive, and B and C are mutually exclusive.a$.$ What is the NPV of investment A$?$ Investment B$?$ Investment C$?$ Use Appendix B to answer the questions. Use a minus sign to enter negative values, if any. Round your answers to the cent. A: $B: $C: $b$.$ What is the internal rate on investment A$?$ Investment B$?$ Investment C$?$ Round your answers to the nearest whole number. $\%$A:B:C: $\%$c$.$ Which investment$($s$)$ should the firm make?The firm should make investment$($s$)-$Select$-$d$.$ If the firm had unlimited sources of funds, which investment$($s$)$ should it make? The firm should make investment$($s$)-$Select$-$e$.$ If there were another alternative, investment D$,$ with an IRR of $6$ percent, which investment$($s$)$ should the firm make? The firm should make investment$($s$)-$Select$-$f$.$ If the firm's cost of capital rose to $14$ percent, what effect would that have on investment A$\text{'}$s IRR? Round your answer to the nearest whole number.