Which of the following is true? Question content area bottom Part 1 A. Direct materials are considered to be fixed costs. B. Manufacturing overhead is always a variable cost. C. A marginal cost is the cost of making one more unit. D. The average cost can be used to predict total costs at other volumes.

When randy, a general manager of a national retailer, moved to a different store in his company that was having difficulty, he knew that sales were low and after talking to his employees, he found morale was also low. at first randy thought attitudes were poor due to low sales, but after working closely with employees, he realized that the poor attitudes were actually the cause of poor sales. randy was able to discover the cause of the problem by utilizing skills.