VWX Corporation provides the following data for the month of May:

Item	Budgeted ($)	Actual ($)
Sales Revenue	500,000	480,000
Variable Costs	200,000	220,000
Fixed Costs	150,000	140,000

Requirements:

1. Calculate the Sales Variance.
2. Determine the Variable Cost Variance.
3. Compute the Fixed Cost Variance.
4. Evaluate the overall performance of VWX Corporation for the month.
5. Analyze the reasons for the variances and suggest corrective actions.