please hurry

Total costs are RM140,000 when 10,000 units are made. Of this amount, variable costs are RM6 per unit. What are the total costs when 8,000 units are produced? RM136,000 RM132,000 RM128,000 RM124,000 Calculate the conversion costs during the month. The following costs were incurred in May for PKPB Sdn Bhd: Direct materials RM39,000 Direct labour RM26,000 Manufacturing overhead RM21,000 Selling expenses RM14,000 Administrative expenses RM27,000 RM87,000 RM65,000 RM47,000 RM127,000