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Home Economic evaluation manual 2007- Volume 1, Amendment 1 (road infrastructure) Appendix 1 - Discounting and present worth factors A1.7 - Quaterly present worth factors

References

  • Planning, programming and funding
  • Economic evaluation
  • Procurement

A1.7 - Quaterly present worth factors

  • A1 - Discounting and present worth factors
  • A1.2 - Discounting
  • A1.3 - Single payment present worth factor
  • A1.4 - Uniform series present worth factor
  • A1.5 - Arithmetic growth present worth factor
  • A1.6 - Annual present worth factors
  • A1.7 - Quaterly present worth factors

A1.7 - Quaterly present worth factors

Table A1.2 Quarterly single payment present worth factors - for 10% discount rate

Time (years from time zero in quarters from 1 July to 30 June) SPPWF
0 1.0000
0.25 0.9765
0.50 0.9535
0.75 0.9310
1.00 0.9091
1.25 0.8877
1.50 0.8668
1.75 0.8464
2.00 0.8264
2.25 0.8070
2.50 0.7880
2.75 0.7694
3.00 0.7513
3.25 0.7336
3.50 0.7164
3.75 0.6995
4.00 0.6830
4.25 0.6669
4.50 0.6512
4.75 0.6359
5.00 0.6209

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