Gambino Corporation is a wholesaler that is a single product Management has provided the following cost data for two levels of monthly sales volume. The company sets the product for $65 60 per unit Sales volumes) Cost of sales Seling and administrative costs $ $ 7400 554620 431600 5 $ 540,920 443,800 The best estimate of the total monthy foxed costs 5341320 5996220 OSLOB4,720 $1040,470