Organization XYZ represents the merger of four smaller organizations. Among the 5,000 total employees at XYZ, 16% came from organization A, 28% from organization B, 37% from organization C, and the remaining employees came from organization D. A survey will be sent to a random sample of 10% of employees at Organization XYZ. If all former organizations are equally sampled, how many surveys will be sent to employees who originally came from organization C or D
