Investment professionals can earn bonuses of between 100% and 125% of their base pay.
»an increase/raise in base pay
Extra forms of compensation that are excluded from base pay typically include: shift differential pay, on-call pay, pay for special assignment or incentive-based pay and bonuses.
As a general rule, an employee's base pay is the pay they will receive at a minimum, while extra forms of pay may or may increase the total pay above this level.
Англо-русский строительный словарь. — М.: Русский Язык.С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова.1995.
2) тарифная заработная плата
основна заробітна плата