A manufacturing company produces a single product and uses standard costing to control costs. Calculate the materials price variance, materials usage variance, labor rate variance, and labor efficiency variance based on the following information:

• Standard materials cost per unit: $10
• Actual materials cost per unit: $12
• Standard labor rate per hour: $20
• Actual labor rate per hour: $22
• Standard labor hours per unit: 2
• Actual labor hours worked: 5,000
• Actual units produced: 2,500