You have been developing a next generation electric engine for high-speed electric trains. The project is 25% completed, you have spent 21% of your budget and you are slightly behind the schedule. The client is worried and asks you to provide him with the progress and forecasting report as soon as possible. So, you start collecting information such as the start and finish dates of scheduled activities, number of change requests, number of defects, actual costs, actual durations, etc. These are examples of:
(a) Work performance measurements
(b) Work performance data
(c) Work performance information
(d) Parameters