Answer:
Data mining
Step-by-step explanation:
Based on the information given we were told that she is considering the rebranding of her cupcake business in which she asked her accountant to help her identify her top selling cupcakes for the past few years which means Mary want to make use of the large information recorded into the Data warehouse to improve her business.
Hence we can say that she wants her accountant to engage in DATA MINING.
DATA MINING can be defined as the process of making use of information collected or data collected to help know business lapses for the sole aim of improving the business and to help use the data collected to make goods business choices.
Therefore Mary wants her accountant to engage in DATA MINING