The balance in Sedona Company's raw materials inventory account was $50,000 at the beginning of September and $60,000 at the end of September. Raw materials purchased during the month totaled $80,000. Sedona used $10,000 in indirect materials for the month. Calculate the costs of Direct materials placed in production for the month of September. $80,000 $$90,000 $70,000 $60,000