Use the following information to determine Cost of Goods Sold for a company that uses the periodic inventory method?

Sales $1,000,000

Purchases Return and Allowance 50,000

Ending Inventory 100,000

Beginning Inventory 200,000

Purchases Discount 50,000

Sales Return and Allowance 10,000

Purchases 500,000

Group of answer choices

$590,000

$390,000

$550,000

$400,000