Chapter 2: Cost Concepts Flashcards
Costs can be classified in four broad categories
1) Behaviour
2) Traceability
3) Relevance
4) Function
Cost behaviour
How a cost reacts or responds to changes in the level of business activity.
(such as how the number of passengers flying on a plane will change costs)
Variable Cost definition
A cost that varies, in total, in direct proportion to changes in the level of activity.
Examples: # of customers served, units produced or sold, beds occupied
Remains constant when expressed per unit of activity
Fluctuates / increases or decreased when in TOTAL proportion to changes in activity level
The amount IN TOTAL (not per unit)
Fixed cost definition
A cost that remains constant, in total, regardless of changes in the level of activity within a relevant range.
If a fixed cost is expressed on a per-unit basis, it varies inversely with the level of activity.
Examples: Rent! No matter how many customers are served I still need the same monthly payment
Examples: Straight-line depreciation / amortization, insurance, property taxes, rent
Fixed within some relevant range
Remains constant in total, but fluctuate when expressed per unity of activity
Relevant range
The range of activity within which assumptions about variable and fixed cost behaviour are valid.
I can produce between x and y in this facility, if not i will need to expand my facility apparent
Cost object
Anything for which cost data are desired.
Examples of cost objects are services, product lines, customers, jobs, and organizational subunits, such as departments or divisions of a company.
Costs can be classified by in two ways
Direct costs
Indirect costs
Direct cost
A cost that can be easily and conveniently traced to a particular cost object.
Example:Fuel costs can be traced to individual flights and are direct costs
Indirect cost
A cost that cannot be easily and conveniently traced to a particular cost object.
Examples: Salaries of baggage handlers, ticketing staff, or expenses incurred from running the airline’s marketing cannot be traced to any one specific flight
Common cost
A cost that is incurred to support a number of cost objects but cannot be traced to them individually.
For example, the salary and benefit package of the receptionist in a bank is common to all the different services provided by that bank.
Differential cost
A difference in cost between any two alternatives.
Which one is cheaper, option A or B
Differential revenue
The difference in revenue between any two alternatives.
Opportunity cost
The potential benefit given up when one alternative is selected over another.
Choosing an hour of studying or an hour or tv. By watching tv i miss out on an hour of studying, by studying i miss out on an hour of tv
Sunk cost
Any cost already incurred that cannot be changed by any decision made now or in the future.
NOT DIFFERENTIAL COST (sunk costs of irrelevant to decision making)
Value chain
A sequence of major activities undertaken by an organization to fulfill its mission.
Cost classification by function
Consists of associating costs with the type of activity for which the cost is incurred
Example include: manufacturing, marketing, administration
Manufacturing costs
Costs incurred in production during a certain period, including direct materials, direct labour, and manufacturing overhead.
Raw materials
Materials used to make a product.
String and cotton which becomes a shirt eventually
Direct materials
Those materials that become an integral part of a finished product and can be conveniently traced to it.
Considered a variable cost
Indirect materials
Small items of materials, such as glue and nails. These items may become an integral part of a finished product but are traceable to the product only at great cost or inconvenience.
Direct labour (aka touch labour)
Those factory labour costs that can be easily traced to individual units of product.
FINGER PRINT THEY NEED TO TOUCH THE PRODUCT
Wages and benefits of individuals who are directly involved in rolling sheets of metal, or touch the product along the way!!!!!!!!!
For our purposes, we will generally classify direct labour as a
Variable cost