[Dev][Quotation] Estimate Multipliers by Project Phase.

Phase Effort and Size Schedule
Optimisitic Pessimisitc Optimisitic Pessimisitc
Initial product concept 0.25 4.0 0.60 1.60
Approved product concept 0.50 2.0 0.80 1.25
Requirements specification 0.67 1.5 0.85 1.15
Product design specification 0.80 1.25 0.90 1.10
Detailed design specification 0.90 1.10 0.95 1.05

< Source : Adapted from “Cost Models for Future Software Life Cycle Processes : COCOMO 2.0” (Boehm et al. 1995) >

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