25. Riesling:r Corporation uses the cost formula Y = $4,800 + $0.40X for the maintenance cost, where X is machine-hours. The August budget is based on 9,000 hours of planned machine time. Maintenance cost expected to be incurred during August is: A. amass B. $3,600 C. $3,400 1:. signs 27. Harris Corporation is a wholesaler that sells a single product. Management has provided the following cost data for two levels of monthly.F sales volume. The companyr sells the product for $34.40 per unit. Sales volume {units} 5,000 6,000 Cost of sales $285,000 $342,000 Selling and administrative costs..... $10?,500 $120,000 The best estimate of the total variable cost per unit is: A. $T?.00 B. $5100 C. $59.50 D. $703.50