Inventory Turnover & Analysis
True or False
Inventory turnover measures how quickly inventory is sold
➛ True
Higher turnover always means poor performance
➛ False
Higher turnover usually indicates efficiency | unless too high causing stockouts
DIO measures the number of days inventory is held
➛ True
Average inventory uses beginning and ending inventory
➛ True
Fill in the Blanks
1. Inventory turnover = COGS ÷ average inventory
2. Average inventory = (Beginning + Ending) ÷ 2
3. DIO = 365 ÷ Inventory Turnover
4. Low turnover may indicate slow-moving / excess inventory
Calculation Practice
A business reports
Beginning Inventory = $15,000
Ending Inventory = $25,000
COGS = $80,000
Tasks
Calculate average inventory
Calculate inventory turnover
Calculate DIO
Step 1
Average Inventory
(15,000 + 25,000) ÷ 2 = 20,000
Step 2
Inventory Turnover
80,000 ÷ 20,000 = 4 times
Step 3
Days Inventory Outstanding
365 ÷ 4 = 91.25 days
Final Answers
Average Inventory
➛ $20,000
Inventory Turnover
➛ 4 times
DIO
➛ 91.25 days
Interpretation | Sample Answers
State whether each situation is Good or Bad and explain
Very high inventory turnover
➛ Good | with caution
indicates strong sales but may risk stock shortages
Very low inventory turnover
➛ Bad
indicates slow sales or overstocking
High DIO
➛ Bad
inventory stays too long | possible obsolescence
Low DIO
➛ Good
inventory moves quickly
Mini Case Study | Model Answers
A retail company has declining inventory turnover over three years.
Questions
What does declining turnover indicate?
➛ Slower sales or increasing inventory levels
What problems might the company face?
➛ Overstocking
➛ Higher storage costs
➛ Obsolete inventory
➛ Reduced cash flow
Suggest two ways to improve inventory turnover
➛ Improve sales | marketing, promotions
➛ Reduce excess inventory
➛ Better demand forecasting
➛ Discounts on slow-moving items
How does turnover affect profitability?
➛ Higher turnover improves cash flow and reduces holding costs, increasing profitability.
Quick Quiz
What is inventory turnover?
➛ The number of times inventory is sold and replaced during a period.
How is average inventory calculated?
➛ (Beginning Inventory + Ending Inventory) ÷ 2
What does high DIO mean?
➛ Inventory is held for a long time.
Why is inventory turnover important?
➛ It measures efficiency and helps manage stock levels and profitability.
Name one way to improve inventory turnover.
➛ Increase sales
➛ Reduce excess inventory
➛ Better forecasting.
Introduction to Cost Accounting ➧ Here