Hello Karen,
Otra posibilidad que quizás tenga sentido al estar junto a "incentivos".
No dudo ni descarto que haya otras opciones.
Buena suerte y saludos del Oso ¶:^)



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Note added at 2005-10-19 03:08:23 (GMT)
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bo·nus
n., pl. -nus·es.

1. Something given or paid in addition to what is usual or expected.
2.
a. ***A sum of money or an equivalent given to an employee in addition to the employee\'s usual compensation.***

\"...bonus, extra amount in money, bonds, or goods over what is normally due. The term is applied especially to payments to employees either for production in excess of the normal (wage incentive) or as a share of surplus profits. The wage incentive was designed during the late 19th cent. not only to increase production but to reward the more skillful and more energetic workers. The hourly or weekly wage was to be figured as payment for a standard rate of work, and the workers who exceeded that standard were to receive a bonus. ...\"

incentive
Meaning #2: an additional payment (or other remuneration) to employees as a means of increasing output
  Synonym: bonus

En Google (sólo como referencia ilustrativa adicional):

Results 1 - 10 of about 41,500 for \"bonuses and incentives\".



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Note added at 2005-10-19 03:22:44 (GMT)
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Como bien dice arriba este \"plus\" o \"bonus\" puede ser en forma de dinero en efectivo, bonos o bienes en especie. Me imagino que se refiere a una especie de \"gratificación\" al empleado.

gratificación f incentive, extra, bonus