Welcome to the World of Standard Costing!
Hello there! Today, we are going to dive into Standard Costing. Think of this as the "GPS" of the accounting world. Just like a GPS tells you the best route and then alerts you when you’ve taken a wrong turn, Standard Costing helps businesses set "targets" for their costs and tells them exactly when they’ve spent too much (or even saved some money!).
Don't worry if this seems a bit math-heavy at first—we’re going to break it down into simple, bite-sized pieces that make sense in the real world.
1. What exactly is a "Standard Cost"?
In simple terms, a Standard Cost is a "target" or "budgeted" cost for making one single unit of a product. It is what the cost should be under normal, efficient conditions.
A real-world analogy:
Imagine you are baking a pizza to sell. You decide that for one pizza:
- You should use 200g of flour.
- The flour should cost you \$0.50 per 100g.
Therefore, your Standard Cost for flour is \$1.00 per pizza. If you end up using 300g or the price of flour goes up, you’ve moved away from your "Standard."
Why do businesses do this?
1. Planning: It helps them decide what price to charge customers.
2. Control: It helps managers see where money is being wasted.
3. Motivation: It gives employees a target to aim for.
Key Takeaway: Standard Costing is about comparing What Should Have Happened with What Actually Happened.
2. Understanding Variances: The "Difference"
When the actual cost is different from the standard cost, we call this a Variance. In your exams, you won't just say "the price changed"; you will use two specific terms:
- Favourable Variance (F): This is good news! It means you spent less than expected, or you were more efficient. It increases your profit.
- Adverse Variance (A): This is bad news (think "A" for "Arrgh!"). It means you spent more than expected or were wasteful. It decreases your profit.
Quick Review: If your budget was \$10 and you spent \$8, that is a Favourable variance of \$2.
3. Material Variances: Tracking your Ingredients
Most Standard Costing questions focus on Direct Materials. There are two reasons why the cost of materials might change:
A. Material Price Variance (MPV)
This looks at the price. Did you pay more or less per kg than you planned?
Formula:
\( Material\ Price\ Variance = (Standard\ Price - Actual\ Price) \times Actual\ Quantity \)
B. Material Usage Variance (MUV)
This looks at quantity. Did you use more or less material than you should have for the number of items you actually made?
Formula:
\( Material\ Usage\ Variance = (Standard\ Quantity - Actual\ Quantity) \times Standard\ Price \)
Common Mistake to Avoid: When calculating Standard Quantity, always base it on the actual production. If you planned to make 100 pizzas but actually made 120, your "Standard Quantity" must be the amount of flour needed for 120 pizzas!
Key Takeaway: Price variance is about shopping (buying the material), and Usage variance is about cooking (using the material).
4. Labour Variances: Tracking your Time
Just like materials, we track the people making the products. We look at the Rate (the wage) and Efficiency (the speed).
A. Labour Rate Variance (LRV)
Did you pay your workers more or less per hour than planned?
Formula:
\( Labour\ Rate\ Variance = (Standard\ Rate - Actual\ Rate) \times Actual\ Hours \)
B. Labour Efficiency Variance (LEV)
Did your workers work faster or slower than the standard time allowed?
Formula:
\( Labour\ Efficiency\ Variance = (Standard\ Hours - Actual\ Hours) \times Standard\ Rate \)
Memory Aid:
Notice that for both Materials and Labour, when we look at the Price/Rate, we multiply the difference by the Actual amount used. When we look at the Usage/Efficiency, we multiply the difference by the Standard price.
5. Why do Variances Happen? (The "Analysis")
In the XAC11 exam, you might be asked to explain why a variance occurred. Here are some common reasons:
Direct Material Price (Adverse):
- A sudden shortage of raw materials.
- Buying in smaller quantities (losing bulk discounts).
- Choosing a higher-quality supplier.
Direct Labour Efficiency (Favourable):
- Using highly skilled workers.
- Better machinery making the job faster.
- High employee morale or better training.
Did you know? Sometimes variances are linked. If you buy cheap, low-quality material (Favourable Price Variance), it might break easily, causing your workers to waste time and use more material (Adverse Usage and Efficiency Variances). One "good" variance can cause two "bad" ones!
6. Step-by-Step: How to Solve a Problem
If you feel stuck, follow these steps:
- Identify the Standards: Find the Standard Price (SP) and Standard Quantity (SQ) per unit.
- Adjust for Actual Production: Multiply the "Standard Quantity per unit" by the "Actual units produced." This gives you the total Standard Quantity.
- List your Actuals: Find the Actual Price (AP) and Actual Quantity (AQ) used.
- Plug into the Formula: Use the formulas above.
- Determine F or A: If (Standard - Actual) is a positive number, it's Favourable. If it's negative, it's Adverse. (Or just use logic: Did I spend more than I should have?)
Quick Review Box
Standard Cost: A pre-set target cost per unit.
Variance: The difference between standard and actual.
Favourable: Spent less / Worked faster (Increases Profit).
Adverse: Spent more / Worked slower (Decreases Profit).
Key Formulas: Always compare (Standard - Actual).
Don't worry if you find the formulas a bit confusing at first! Practice makes perfect. Try calculating the variances for your own lunch today—how much did you "standardize" for that sandwich versus what it actually cost? You've got this!