Performance pay

ZBG is an ACCA tuition provider. It has decided to use a reward system to help determine
lecturers’ pay, based on the lecturers’ performance.
Which TWO of the following are fair criteria to assess individual lecturers’ performance?
(i) Company profits
(ii) Examination results
(iii) Number of students in the class
(iv) Result of student satisfaction survey

A. (i) and (ii)
B. (i) and (iii)
C. (ii) and (iv)
D. (iii) and (iv)