c. short-run average total cost is typically above long-run average total cost
Explanation:
In the case when the average of the total cost of the short run should be compared with the average of the total cost of the long run for a given output level so this means that the average of the total cost of the short run should be more than the average of the total cost of the long run
Therefore as per the given situation, the option c is considered
The correct answer is letter "D": direct materials prices are controlled by the purchasing department and quantity used is controlled by the production department.
Explanation:
Standard price is the estimated price direct materials could have at the moment of ordering a purchase. Standard quantity refers to the forecasted number of units necessary for the production process of the firm. The two of them are separated to allocate each one to the department in charge of their providing accurate measures: <em>standard prices are set by the purchasing department while the standard quantity is estimated by the production department.
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The efficiency of standard price and quantity relies on the purchasing and production departments separately.