There is a mistake in the calculations in Figure 2-16 in the book. What is that mistake? What part of the use case analysis gets left out if that mistake goes undetected and why is that important? How many hours of work are lost in the final estimate of work effort (show the calculation)?

Project Effort Estimation 61 Unadjusted Actor Weihting Table: Actor Type Weighting Factor External system with well-defined AP External system using a protocol-based interface, e.g., HITP, TCTAP, or a database Average 12 Unadjusted Actor Weight Total (UAW) 12 Unadjusted Use-Case Weighting Table: Use Case Type Weighting Factor 15 Average 10 15 15 Unadjusted Use Case Weight Total (UUCW 70 Unadjusted Use-Case Points (UUCP) UAW + UUCW 82- 12 +70 Technical Complexity Factors: Factor Number Weight Assigned Value (0-5) Weighted Value Notes Distributed system Response time or throughput 2.0 End-user online efficiency Complex internal processing Reusability of code Ease of installation Ease of use Portability Ease of change 1.0 1.0 14 15 T6 0.5 18 1.0 110 Special security objectives included Direct access for third parties 112 113 1.0 1.0 Special user training required Technical Factor Value (TFactor) 15 Technical Complexity Factor (TC 0.6 (0.01 TFactor) 0.75 0.6 (0.01 15) Factor Number WeightAssigned Value (0-5) Weighted Value Notes Familiarity with system development process being used Application experience 0.5 1.0 0.5 1.0 2.0 E3 Lead analyst capability ES E6 Requirements stability Part-time staff 10 E8 Difficulty of programming language1.0 -4.0 Environmental Factor Value (EFactor) Environmental Factor (EF) 14+-0.03 EFactor) Adjusted Use Case Points (UCP) UUCP TCF ECF 33.3375- 70 0.75 0.635 Effort in person-hours - UCP PHM 666.75- 20 33.3375 0.635 14-0.03 25.5) FIGURE 2-16 Use-Case Point Estimation for the Appointment System