Answer:
B. Current data
Explanations:
Data refers to informations that are collected overtime through observations. They are used to make rational decisions. It is used to make current and future decisions.
Donna as an hotel revenue manager is making use of her current data to make decisions.
Donna has collected data on how many rooms she has sold go tonight and the remaining rooms yet to be sold.
She sold 175 rooms out of 200, remaining 25 rooms yet to be sold. She decided to eliminate discount on her remaining rooms based on the data she has.
Her decision is based on current data. She is deciding on eliminating discount on the remaining 25 rooms for tonight.