After two weeks (or more if your symptoms have not diminished) on the. elimination diet, it is time to start testing foods. Add foods one at a time, every three days, to. assess which ones worsen symptoms. Have a generous amount of each new food so you can. see whether it causes symptoms.
Product costs is the costs are the costs incurred in the making of the product. Manufacturing costs --Direct Materials, Direct Labor, and Manufacturing Overhead.
Period Costs. Period costs, in a manufacturing concern, can be defined as all those costs which incurred and expensed to profit and loss account in the same period. For example, administration cost, finance cost, and selling and distribution costs are period costs.