Abuja Engineering Works operates a job costing system. The following data relate to Job No. AEW-047: Direct materials ₦245,000; Direct labour 120 hours at ₦650 per hour; Variable overhead absorbed at ₦180 per direct labour hour; Fixed overhead absorbed at ₦320 per direct labour hour. The company adds a profit mark-up of 25% on total cost. What is the quoted selling price for Job No. AEW-047?

Direct materials: ₦245,000. Direct labour: 120 × ₦650 = ₦78,000. Variable overhead: 120 × ₦180 = ₦21,600. Fixed overhead: 120 × ₦320 = ₦38,400. Total cost = ₦245,000 + ₦78,000 + ₦21,600 + ₦38,400 = ₦383,000. Profit mark-up (25%) = ₦383,000 × 0.25 = ₦95,750. Selling price = ₦383,000 + ₦95,750 = ₦478,750. Selecting the closest option — rechecking: total = 245,000+78,000+21,600+38,400 = 383,000; 383,000×1.25 = 478,750.