What are the two requirements of instruments ??

Which of the following correctly describes the accounting for indirect labor costs? indirect labor costs are product costs and are expensed as incurred. indirect labor costs are period costs and are expensed when the manufactured product is sold. indirect labor costs are period costs and are expensed as incurred. indirect labor costs are product costs and are expensed when the manufactured product is sold.

In general, as long as the number of firms that possess a particular valuable resource or capability is less than the number of firms needed to generate perfect competition dynamics in an industry, that resource or capability can be considered and a potential source of competitive advantage.answers: valuablerareinimitableun-substitutable

mark, a civil engineer, entered into a contract with david. as per the contract, mark agreed to design and build a house for david for a specified fee. mark provided david with an estimation of the total cost and the contract was mutually agreed upon. however, during construction, when mark increased the price due to a miscalculation on his part, david refused to pay the amount. this scenario is an example of a mistake.