7.4. The annual basic salary of a teacher who holds pensionable employment for which the basis of remuneration is 200 days and who is paid according to an hourly rate is established by multiplying that rate by the maximum number of hours that may be paid in a year. That number is(1) 800, in the case of a teacher in adult education or vocational training or a teacher hired by the lesson at the secondary level;
(2) 920, in the case of a teacher hired by the lesson at the preschool or elementary level;
(3) 1,000, in the case of a casual supply teacher.