A company wants to create an employee rating program that allows employees to rate each other. An employees average rating must be displayed on the employee record. Employees must be able to create rating records, but are not allowed to create employee records.
Which two actions should a developer take to accomplish this task?
Choose 2 answers

A. Create a master- detail relationship between the rating and employee objects.
B. Create a trigger on the rating object that updates a field on the employee object.
C. Create a lookup relationship between the rating and employee object.
D. Create a rollup summary field on the employee and use AVG to calculate the average rating score.