Concept:The correct word refers to an extra payment given to an employee beyond the regular salary.Explanation:The sentence requires a plural noun meaning extra payments made to workers in appreciation of their performance."Bonuses" are additional sums of money granted to employees on top of their normal pay."Benefits" are general advantages or non-cash perks."Dividends" are payments to shareholders from company profits."Salaries" are regular fixed payments for work done.Thus, "bonuses" is the most suitable word.Answer:C. bonuses