CurrentequipmentCurrentsalesvalueFinalsalesvalueOperatingcostsNewequipmentPurchasecostFinalsalesvalue$18,0002,50068,870$168,0002,50039,320 The current and new equipment will last for 6 years. If X Company replaces the current equipment, what is the approximate internal rate of return? \begin{tabular}{l|l|l|l|l|l|} A: 0.03 & B: 0.04 & C: 0.05 & D: 0.06 & E:0.07 & F: 0.08 \\ \hline \end{tabular}