Accounting Terms - Prime Cost

In cost classification, accountants identify costs asattribute to a product
direct or indirect costs. The term "prime cost"Prime costs (PC) and production overheads constitute
represents the amalgam of direct costs associatedthe production or manufacturing cost-relating to a
with producing a product, service or unit. These areproduct or service. Production overheads are indirect
further subdivided into direct materials, direct labour andcosts (those that are not directly traceable to a
direct expenses.product, service or department). PC is calculated as
To understand "prime cost", you first have to graspfollows:
what direct costs are (any that can be attributedPC = Direct materials + Direct wages/labour + Direct
directly to a product). For example, if you wereexpenses
producing a wooden chair, you would need wood,The prime cost is then used as data to calculate
someone to make the chair and maintenance of toolsproduction costs using the following formula:
for the production of the chair. The aforementionedPC + Production overhead = Production cost
expenses represent direct materials (wood), directIt is important not to use Production Overhead and
labour (carpenter) and direct expenses (toolProduction Costs interchangeably, since overheads
maintenance). Those are all part of the total directform part of the total product/ service charges.
costs of producing a chair.Overheads are indirect charges associated with
Further examples of direct material costs include:a)producing the goods or service. In calculating Total
Parts of a productb) A laptop needed for an insuranceCosts, the formula-including prime costs-is:
sales representative to conduct field visitsc) PackagingPC + Production overheads + Total other costs = TC
for the product itself (not boxes or containers thatEven though prime costs are directly traceable to a
they are transported in)product, they might have to be imputed. For instance,
Further examples of direct labour include:a) Directyou might have to pay for electricity for machinery in a
labour includes wages and overtime spent on labourfactory; that is needed to produce the product.
on the product itself or product line.b) Quality controlHowever, it is unlikely that this direct expense will be
specialistsc) Supervisors and foremenseparate from other functions that exist. Accountants
Direct expenses also include:a) Rent of equipment orwould have to estimate or impute it (for stepped
space to perform a particular jobb) Maintenance ofcosts) in order to determine the prime cost.
fixtures and fittings or machinery that you can directly