Platinum and Iridium plugs perform at a lower level than copper spark plugs, because they are less conductive and they tend to overheat. However, the overall longevity of these two types of metal is better than copper plugs.
Carrying cost of inventory is often described as a percentage of the inventory value.This percentage could include taxes, employee costs, depreciation, insurance, cost to keep items in storage, opportunity cost, cost of insuring and replacing items, and cost of capital that help produce income for a business.Also referred to as inventory cost.his percentage could include taxes, employee costs, depreciation, insurance, cost to keep items in storage, opportunity cost, cost of insuring and replacing items, and cost of capital that help produce income for a business. Also referred to as inventory cost.
Inventory Carrying Cost Example. Inventory carrying cost is the cost of owning inventory and is generally expressed in percentage terms. For example, if a company has an inventory carrying cost of 10% and the average annual value of inventory is $1 million, the annual cost of inventory is $100,000. Inventory cost is generally between 20% and 30% of the cost to purchase inventory, but the average rate varies based on the industry and size of business.