Gambino 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 $155.60 per unit. Sales volume (units) 6,400 7,400 Cost of sales $ 456,320 $ 527,620 Selling and administrative costs $ 430,600 $ 441,800 The best estimate of the total monthly fixed cost is: