DEF Ltd produces a product with the following standard costs: Direct materials $100 per unit, Direct labor $80 per unit, and Factory overhead (based on machine hours, 20 hours per unit) $60 per unit. During March, the company produced 14,000 units. Actual costs were: Direct materials $1,400,000, Direct labor $1,120,000, and Factory overhead $840,000. Calculate the total variance and break it down into material, labor, and overhead variances.