Answer:
a. purchases journal; expenditure cycle
Explanation:
When a business recieves inventory from a vendor they already have a credit line with, it will be recorded in the purchases journal. A purchases journal is a prime book of entry or day book which is used to keep track of items that are accounts payable.
The cycle involved in this scenario is the expenditure cycle which involves the activities that a business goes through in the acquisition and payment for goods and services.
The reciept of inventory from the vendor is in the expenditure cycle.
