Period Costs

Costs that are not involved directly in the manufacturing process of inventories.

Matthew Retzloff

Reviewed by

Matthew Retzloff

Expertise: Investment Banking | Corporate Development

Updated:

September 15, 2022

Period costs (PCs) are costs that are not involved directly in the manufacturing process of inventories. In other words, they are the expenses paid on non-manufacturing activities. 

These costs may include sales and administrative expenses that are part of the process of marketing and selling produced goods. 

These do not have a fixed formula as they vary depending on each case. Identifying them only requires a little logic. One must decide whether an expense is directly tied to the manufacturing process of inventories or not.

However, the general formula would be the sum of selling and administrative salaries, bills, and utilities. 

Some common PCs include:

  • Salaries: the salaries and wages of employees who do not participate directly in the production of inventories. These salaries may include the salary of accountants or salespeople.

  • Bills and utilities: any utilities required for the sales and administrative side of a manufacturer. These may include depreciation expenses or electricity and insurance bills for non-manufacturing properties, like offices.

These are the major types of expenses for a manufacturer. However, some PCs may not fit in any of them. For example, the fee for a consulting service offered by external management consultants are PCs, but they are not mentioned in any of the categories above. 

It is a PC since it is not directly included in the manufacturing process of inventory, and it does not fit in any of the listed titles.

Thus, it is always better to use business logic to identify them by tracing them back to figure out whether they are tied to the manufacturing process of inventories or not.

Period costs versus product costs

Any manufacturer's expense can be either categorized as a product cost or a period cost based on whether it can be directly linked to the production process of inventories or not.

Thus, we can conclude that product costs are the opposite of period costs. Product costs can be directly tied to the manufacturing process of inventories. 

craftsman

Following accounting standards, the cost of inventory, or cost of goods sold, is any cost incurred to get inventory ready to be sold. In the case of manufacturers, it is any cost incurred to produce the products to be able to sell them.

Thus, it is the direct manufacturing cost, which we just discovered is the product cost, leading us to an equation: 

Cost of inventories = Product Cost = COGS

These costs may include the cost of raw materials used in production, wages of workers who operate in producing goods, or the cost of utilities consumed by manufacturing facilities.

How are product costs reported in financial statements?

Since inventories are considered assets to a manufacturer, they are recorded in the balance sheet under the assets section. Therefore, product costs are recorded as assets on the balance sheet under the title of "inventories."

stresses of power

The process of turning expenses into assets is done through the following steps:

  1.  When a product cost is incurred, we credit the expense to get rid of it and debit an account called "work in process." 

  2.  When all expenses required to produce the inventories are incurred, we debit finished goods (inventories), and we credit work in process the sum of all accumulated product costs (step 1).

  3.  When inventories are sold, we debit COGS and credit finished goods (inventories).

In other words, manufacturers incur product costs to produce inventories. Therefore, the cost of inventories (Cost of Goods Sold, or COGS) is the same as product costs. Since inventories are recorded as assets for the manufacturers, product costs are recorded on the balance sheet in the assets section under inventories. 

Those costs would not be accounted for on the income statement until they are sold.

We know that when we sell inventories, we subtract their value from the company's assets since they are no longer there. Then, we account for them as COGS on the income statement since they are the cost of producing inventories:

Db. COGS +++

Cr. Inventories +++

Bottom line, product costs are recorded as inventories in the balance sheet under assets when the production process is over, and they are not accounted for in the income statement as COGS until they are sold.

inventory

Exercise on period and product costs:

Now it's time to practice. We will provide an example of a manufacturer and list all their costs for March 2022. You will have to categorize their costs as either product or period costs and prepare the income statement for March 2022.

You are the owner and co-founder of MealCo, an organic-canned-meals producer.

You operate in a small building where 40% of the area is used as offices and 60% as a production facility. 70% of your offices are for administrative employees, and 30% are for production supervisors.

In addition, your production machines consume 90% of the total electricity and water used in the building.

You were able to sell 10,000 units for $8 each during the month of March.

Find below the list of your costs during March:

A. Depreciation expenses for the building accounted for $10,000.

B. Raw materials used in production accounted for $40,000.

C. Cans used in packaging accounted for $5,000.

D. Electricity and water bills accounted for $1000.

E. Internet and telecommunication bills accounted for $500.

F. Salaries expenses for administrative employees accounted for $6,000, for production workers $7,000, and for production supervisors $5,000

G. A management consultant offered consulting services for your company's accounting system and billed you $1,500

H. Maintenance of your machines costs $2000

I. Insurance on the building cost $3,000

J. Depreciation on machines is $3,500.

Task One: Categorize the costs between period and product costs.

Task two: Build the income statement for MealCo for March. (Hint: refer to the product cost equation)

stacks of coin

Task one solution:

A: In this case, the building is used for two purposes and, thus, its cost will be categorized accordingly:

Product Cost: 60% of the building and 30% of the office areas are used for the production process of inventories, thus product cost 

= 0.6*10,000 + 0.3*0.4*10,000= $7,200

Period Cost (PC): The cost of the offices that are used for administrative purposes

 = 0.7*0.4*10,000= $2,800

B: Product Cost

C: Product Cost

D: PC = 0.9*1000 = $900 and Product Cost = 0.1*1000= $100

E: PC, since it is certainly used in the administrative office

F: PC = $6,000 and Product Cost = 5,000 + 7,000 = $12,000

G: Period Cost

H: Product Cost

I: Since insurance is on the entire building, the cost will be composed the same way as depreciation in part A: PC = 0.7*0.4*3,000= $840 Product Cost

 = 0.6*3,000 + 0.4*0.3*3,000 = $2,160

J: Period Cost

Task two solution:

As mentioned above, COGS is going to be the sum of all product costs identified above:

COGS= $72,760

MealCo Income Statement
Revenue$80,000
Less: COGS($72760)
Gross Margin$7240
Less: Expenses 
Office Depreciation($2,800)
Electricity bills($100)
Internet bills($500)
Admin Salaries($6,000)
Consultant Fees($1,500)
Insurance($840)
Net Loss($4,500)
Key Takeaways
  • Period costs are expenses not tied to the manufacturing process of inventories.
  • Product costs are the direct costs of producing inventory.
  • Period costs are recorded directly in the income statement, whereas product costs are recorded under inventories, then expensed under COGS when inventories are sold.
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Researched and authored by Mohamad El Hayek | LinkedIn

Reviewed and edited by James Fazeli-Sinaki | LinkedIn

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