Select which inventory system is indicated by each sentence.

- a. b.	This system can be costly and time consuming if not computerized. Read Answer Items for Question 30
- a. b.	Average cost is rarely used with this system. Read Answer Items for Question 30
- a. b.	Under this system only revenue is recorded when sales are made. No reduction to inventory is made at the time of sale. Read Answer Items for Question 30
- a. b.	When using this system a physical inventory is necessary to determine Cost of Goods Sold. Read Answer Items for Question 30

Answer

a.	Perpetual
b.	Periodic