## Cost Sheet and Unit Costing

### Unit Costing (Single/Output Costing)

Unit Costing is a form of costing where:

Costs are accumulated and analysed by element of cost
Total cost is divided by the number of units produced to obtain cost per unit
Applicable to industries producing a single, standardised, homogeneous product

Examples: Cement, brick-making

### Cost Sheet

A Cost Sheet is a statement showing the various components of total cost of output for a particular product or service during a specific period.

Can be prepared on an actual basis (using historical costs) or an estimated basis (using budgeted costs)
Presents costs in a structured sequence:

1. Prime Cost = Direct Material + Direct Labour + Direct Expenses

2. Factory/Works Cost = Prime Cost + Factory Overheads

3. Cost of Production = Factory Cost + Office/Admin Overheads

4. Cost of Goods Sold = Cost of Production ± Adjustment for Finished Goods Stock

5. Total Cost/Cost of Sales = Cost of Goods Sold + Selling & Distribution Overheads

### Production Statement

A Production Statement shows all elements of the Cost Sheet plus:

Opening and closing stocks of finished goods
Sales revenue
Profit

### Cost Sheet vs. Production Statement

Feature	Cost Sheet	Production Statement
Cost components	All elements of total cost	All elements of total cost
Finished goods stock	Not included	Included
Sales revenue	Not included	Included
Profit	Not included	Included
Primary purpose	Cost analysis only	Combined cost analysis + profit computation

⚠️ Common exam mistakes

Confusing Cost Sheet with Production Statement — a Production Statement is a superset; it contains everything a Cost Sheet shows plus stocks, sales, and profit
Thinking Unit Costing applies only to single-stage production — it applies to any industry producing a single standardised product, regardless of the number of production stages
Treating estimated cost sheets as less valid than actual cost sheets — both are legitimate; estimated sheets are used for budgeting and pricing decisions
Confusing Unit Costing with Process Costing — Unit Costing is described as a form of process costing, but its distinguishing feature is the single homogeneous output; Process Costing focuses on stage-wise cost accumulation

Reference:

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Cost Sheet, Unit Costing, and Production Statement

⚠️ Common exam mistakes