If you invested $1,000 a year ago and today it is worth $1,500, what was your return on investment (assuming no discounting)?

A. $500

B. $1500

C. 50%

The critical path for a project is the series of activities that determines the ________ time by which the project can be completed; it is the ________ path through the network diagram.

A. longest, longest

B. shortest, shortest

c. shortest, longest