Sunday enterprises trading, profit and loss account for the year ended 31st December, 2017. ₦
Stock at 1/1/2017 30,000→Purchases 2,500→Sales 50,000→Returns inwards 500→Returns outwards 1000→Stock at 31/12/2017 4,500→ Wages and salaries 250.What is the cost of goods sold?

• A.₦50,000
• B.₦49,500
• C.₦27,000
• D.₦22,500
• E.₦18,000.