Correcting a backbow on a guitar with single action truss rod - Duration: 4:25. Paul Doyle 2,591 views
The cost per unit is commonly derived when a company produces a large number of identical products. The cost is derived from the variable costs and fixed costs incurred by a production process, divided by the number of units produced.
Product costs are also called variable costs. It refers to that cost which varies in direct proportion to the volume of output. The cost per unit of product cost remains unchanged as production increases or decreases but total cost increases. So such type of costs are called product costs. For example; cost of direct material, direct labor and direct expenses. Image Source:advancedmp.com/wp-content/uploads/2013/11/cost_roller.jpg. Period cost is the fixed cost. It refers to that cost which remains unchanged by change in volume of out put. Fixed cost per unit decreases as production increases and increases as production declines.