Question 1 As suggested in the case study, inaccurate project planning can lead to massive development cost overruns, lengthen times to market, and create bottlenecks in applying valuable product development expertise. Considering this statement discuss what inaccurate project planning entails. Make use of relevant illustrations.

Question 2 From a project budgeting context, evaluate the relevance of bottom-up cost estimates.

Question 3 With reference to the case study provided examine the factors that need to be considered by project managers when selecting project cost estimation models. Relevant examples should be provided.