Answer:
$250
Step-by-step explanation:
Data provided in the question
Selling price of each laptop sells to the retail stores = $450
And, the manufactured paid for all components in each laptop is $200
So by considering the above information, the value added to each computer
= Selling price of each laptop sells to the retail stores - physical inputs cost
= $450 - $200
= $250
The wage to its workers is not a physical input. Hence, ignored it