In the project initiated by Tamako Landscaping (problem 18), suppose that after 18 days Tamako observes the following status. a. Is the project coming in on time?  b. Is the project coming in within...

In the project initiated by Tamako Landscaping (problem 18), suppose that after 18 days Tamako observes the following status.

a. Is the project coming in on time?

 b. Is the project coming in within budget?

 c. Comment on a strategy to complete this project.

18.  Tamako Landscaping designs and installs landscaping for large office complexes. The activities for one such installation project are shown in the network for problem 18. Note that each node gives both budgeted time (in days) and cost data. a. Determine the estimated completion time and total cost of the project. b. What is the effect on the completion time of the entire project for each of the following activity delays?