Catarina Boards is a skateboard retailer located in Pueblo, New Mexico. Catarina Boards is a sole proprietorship that stocks an inventory of between 30 and 50 different skateboards. Inventory is updated in real time by the AIS. If Catarina wishes to keep a cumulative information about its company', it might use a

A) relational ledger.
B) transaction file.
C) master file.
D) specific ledger.

Answer: C