How does variance analysis contribute to the strategic management process?

Standard Costs and Variance Analysis

How does variance analysis contribute to the strategic management process?
Q2 What is a standard costing system, and how is it used?
Q3 How are direct cost variances calculated?
Q4 How is direct cost variance information analyzed and used?
Q5 How are variable and fixed overhead variances calculated?
Q6 How is overhead variance information analyzed and used?
Q7 How are manufacturing cost variances closed?
Q8 Which profitrelated variances are commonly analyzed?