Peterson Corporation produces a single product. Data from the company's records for last year follow: Units in beginning inventory 0 Units produced 70,000 Units sold 60,000 Sales $1,400,000 Manufacturing costs: Variable $630,000 Fixed $315,000 Selling and administrative expenses: Variable $98,000 Fixed $140,000 Under variable costing the value of the ending finished goods inventory would be: $104,000 $135,000 $90,000 $105,000