Please give a detailed example of a company variance analysis.

Variance analysis is the process of breaking down the difference between standard (budget) and actual costs to explain whether differences in price, quantity or both caused the business not to perform to expectations.

There are numerous variances which can be calculated for each type of cost the business has, but they generally fall into one of the four categories listed below.

1. Price variance
2. Quantity variance
3. Volume variance
4. Budget variance

Additional data:

Variance Analysis - Learn How to Calculate and Analyze Variances (corporatefinanceinstitute.com)