Help please. My answer is wrong

Required information Vancouver Shakespearean Theater's board of directors is considering the replacement of the theater's lighting system. The old system requires two people to operate it, but the new system would require only a single operator. The new lighting system will cost $115,700 and save the theater $24,000 annually for the next eight years. Use Appendix A for your reference. (Use appropriate factor(s) from the tables provided.) juppose the Vancouver Shakespearean Theater's board is uncertain about the cost savings with the new lighting system. Required: How low could the new lighting system's annual savings be and still justify acceptance of the proposal by the board of directors? Issume the theater's hurdle rate is 12 percent. (Round final answer to 2 decimal places.)