... year. These are 106 FINANCIAL MODELING WITH CRYSTAL BALL AND EXCEL FIGURE 7.1 Spreadsheet segment to model annuity with deterministiccash flows of − $100 at the end of Year 0, and $30 at the end ... 3, 4, and 5, where each Ztis drawn from a116 FINANCIAL MODELING WITH CRYSTAL BALL AND EXCEL FIGURE 7.11 Spider chart.analysis of the relationships between the randomly generated inputs and ... are customers from whom it receives revenues between $25,000 and $100 ,000 per year. 110 FINANCIAL MODELING WITH CRYSTAL BALL AND EXCEL was first promoted some 40 years ago by Hertz (1968), computers...