Saved Help Save & Exit DBC produces a single product. The standard production requirement for each unit requires 2 kilograms of a single material at a standard cost of $5 per kilogram. During the last year, DBC purchased 10,000 kilograms of materials at total cost of $52,000. Also last year, DBC manufactured 3,000 units of product using a total of 7,000 kg. What was the DBC's materials purchase price variance for the year? Multiple Choice Nil $2,800 unfavourable $4,000 favourable Submit