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A. previous projects are similar in fact not just appearance.
B. there is a relationship between the cost being estimated and known parameter.
C. the historical information used to develop the model is accurate.
D. work items are very small
Thanks for invitation
Option A
The most appropriate answer is option A
Thanks for your question. Option C - the historical information used to develop the model is accurate.
Thanks for the invitation and my first choice is option A . If option A was not there I would have gone with option C .
historical reference is used when the history occurred recently, my answer is C. the historical information used to develop the model is accurate.