a$.$ A software development project at day $70$ exhibits an actual cost of $$78,000$ and a scheduled

cost of $$84,000.$ The software manager estimates a value completed of $$81,000.$ What are the

cost and schedule variances and CSI? Estimate the time variance.

b$.$ A consulting project has an actual cost in month $10$ of $$23,000,$ a scheduled cost of $$17,000,$

and a value completed of $$20,000.$ Find the schedule and cost variances and the three indexes