Tariff No. 5, Art. 111(1) sets two different theory-exam fees. Which one does an individual candidate pay, given that Ordinance No. 38, Art. 11(3) holds theory exams in IAAA exam rooms?

1. 100 BGN, which is the per-group fee for a sitting held in an approved training-centre classroom
2. 20 BGN per candidate for a sitting held in an IAAA exam room
3. 12 BGN per candidate, which is the Category B practical-test figure
4. 250 BGN per candidate, covering the theory and practical tests together