A firm has the following investment alternatives. Each one lasts a year. \begin{tabular}{llcc} Investment & \multicolumn{1}{c}{ A } & B & C \\ \hline Cash inflow & $1,044 & 672 & 720 \\ Cash outflow & $900 & 600 & 600 \end{tabular} The firm's cost of capital is 7 percent. A and B are mutually exclusive, and B and C are mutually exclusive. 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: 9/0 C: 0/0 c. Which investment(s) should the firm make? The firm should make investment(s) -Select- v. 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 internal rate of return of 6 percent, which investment(s) should the firm make? The firm should make investment(s) -Select- v. f. If the firm's cost of capital rose to 14 percent, what effect would that have on investment A's internal rate of return? Round your answer to the nearest whole number. If the cost of capital rises to 14 percent, the internal rate of return of investment A will reduce to v %