Use the following information to answer the next two questions:- Gamach Corporation is a wholesaler that sells a single product. Management has provided the following cost data for two levels of monthly sales volume. The company sells the product for $104.50 per unit. [5A-15adj] Sales volume (units) Cost of sales Selling and administrative costs 5,000 $295,000 $186,000 6,000 $354,000 $202,800 8. The best estimate of the total variable cost per unit sold using the high-low method is: A) $75.80 B) $92.80 C) $96.20 D) $98.35 9. The best estimate of the total monthly fixed cost using the high-low method is: A) $102,000 B) $518,900 C) $556,800 D) $481,000