Wild West produces two types of cowboy hats. A type 1 hat requires twice as much labour time as a type 2. If all available labour time is dedicated to Type 2 alone, the company can produce a total of 400 Type 2 hats a day. The respective market limits for the two types are 150 and 200 hats per day. The profit is $8 per Type 1 hat and $5 per Type 2 hat. By Using graphical method, determine the number of hats of each type that would maximize profit.