Variance Analysis

As a general accountant, you are responsible for preparing performance reports. If the report shows that all variances are Favorable, does it mean that the manufacturing process for the period is efficient
What if all the variances are Unfavorable
Does it mean it is inefficient in using resources
Justify your answers.
Response should be at least 200+ words.

You can also get the answer to this paper securely, anonymously. The paper shall be original with an accompanying originality report.