Answer:
$50
Explanation:
In the production function, Q = K0.5L0.5,
K denotes the fixed input in the short run.
First, we calculate the total cost:
Cost of Capital= 25 x $1 = $25
Cost of Labor (for a start 25 workers are used)= 25 x $1 = $25
Total= $50
Since the price of the solar panels is $100, substrating from the total cost $50 (100-50) we get $50 profit per unit of solar panel.