Moral obligation to pay wages

Moral obligation to pay wagesYou are the CEO of a major corporation and an important part of your production happens in China. You know about those poor working conditions. To increase their wages would reduce the profitability of your products by 3%. Given this reduction, do you have a moral obligation to pay your workers a little bit better? What about a living wage? Does the reason that working in poor conditions is still better than prostitution provide you with sufficient moral justification for not changing those conditions? What would Kant claim about this situation? In contrast, what would you do, and how you would justify it?