Bambi Corporation is a wholesaler that sells a single product. Management has provided the following cost data for two levels of monthly sales volume:

Sales volume (units)	5,000	6,000
Cost of sales	315,500	378,600
Selling and administrative costs	162,500	177,600

The company sells the product for 103.40 per unit.

The best estimate of the TOTAL VARIABLE COSTS when 5,300 units are sold is _________________ .