Additional programme cost ($A) | Probability of positive savings (%) | Expected savings, conditional on positive savings ($A) | Probability of loss (%) | Expected loss, conditional on loss ($A) | Expected net savings ($A) |

0 | 97.7 | 677 | 2.3 | 122 | 659 |

115 | 95 | 580 | 5 | 136 | 544 |

185 | 92.5 | 525 | 7.5 | 147 | 474 |

235 | 90 | 488 | 10 | 155 | 424 |

The figures in columns 2 to 5 are the answers to questions Q1, Q2, Q3 and Q4 of the previous section. The last column shows the expected value of net savings.