P 1-A Cost Behavior Salmon Company is a manufacturing firm that experienced the following total costs and cost per unit. Their relevant range is 20,000 to 100,000 units. Units Produced and Sold 40,000 60,000 80,000 Total costs: Variable cost Fixed cost Total cost $ 200,000 240,000 $ 440,000 ? ? ? ? ? ? Costs per unit: Variable cost Fixed cost Total cost per unit ? ? ? ? ? ? ? ? ? Required: Compute the missing amounts shown by the (?)