7. The Wilson Corporation produces output according to Q = 4(KL)"2, where K is the amount of capital used and L is the amount of labor employed. If

The answer is 2 but i dont see how.

Can I get some explanations?

Thank you

7. The Wilson Corporation produces output according to Q = 4(KL)”2, where K isthe amount of capital used and L is the amount of labor employed. If capitalcosis $2 per unit and labor costs $8 per unit, Wilson's minimized long-runaverage total cost is a) $2.h) $2Q.:1 $10.d) $10Q.a] $22. “1'71”?“1'}