Answer:
Rose's suggestion is based on Seniority.
Step-by-step explanation:
Rose works in a Human Resource Department of a consulting Firm. He suggests the management to give promotions to the employees this year on the basis of the years they have spend in the company. There could be two types of promotions, one is on the basis of Merit and other is on the basis of Seniority. Works usually oppose the Merit based Promotions. Seniority based promotions are often liked by workers. So in this case, Rose also suggested a seniority based promotions of the employees.