(Note: the above does not take into consideration a number of factors that may affect our decision, and which can complicate the matter in practice; but for the purposes of this introductory course we do not need to go into these).
(Kumbuka: juu haina kuzingatia idadi ya mambo ambayo inaweza kuathiri uamuzi wetu, na ambayo inaweza magumu jambo katika mazoezi, lakini kwa madhumuni ya kozi hii ya utangulizi hatuna haja ya kwenda katika hizo).