Some companies use throughput costing for internal purposes because A. They believe only direct materials costs are truly variable in the short run B. They believe direct labor costs are fixed in the short run C. They believe all overhead costs are fixed in the short run D. All of the above

Option D : All of the above

Explanation: Features of throughput costing for internal purposes covers companies:

- Believing only direct materials costs are truly variable in the short run

- Also, they believe direct labor costs are fixed in the short run

- They also believe all overhead costs are fixed in the short run

She does not have enough because if you add 188 and 258 for the total yards of fabric needed it would be 376. Mia has less than that, she would need 64 more yards of fabric and to find this you subtract the 312 from 376=64