Cost of good sold is equal to the cost of inventory on hand at the End of a period plus net purchases minus the cost of inventory on hand at the beginning of a period Beginning of a period minus net purchases plus the cost of inventory on hand at the end of a period Beginning of a period plus net sales minus the cost of inventory on hand at the end of a period Beginning of a period plus net purchases minus the inventory on hand at the end of the period Cost of good sold is equal to the cost of inventory on hand at the End of a period plus net purchases minus the cost of inventory on hand at the beginning of a period Beginning of a period minus net purchases plus the cost of inventory on hand at the end of a period Beginning of a period plus net sales minus the cost of inventory on hand at the end of a period Beginning of a period plus net purchases minus the inventory on hand at the end of the period