Sanametric Inc. sells specialized appliances in both the US and Canadian markets. Because of the different styles of plugs and wall outlets, an appliance purchased in one market cannot be sold in another market. The inverse demand curves for each countries have the following equations: US:
P US = 20,000 - 20Q
Canada:
PCA= 25,000 - 50Q

Their production has constant returns to scale and it takes $1,000,000 to produce 100 appliances.

Required:
What is Sanametric's long run average cost function?