"Which of the following developments will cause an increase in the value created by a firm? Select all that apply"

One of the correct Answer is : "Employees at the firm are willing to take a pay cut to work for the company" Reason/Explation Given: "This would decrease suppliers' willingness to sell a key input, creating more value overall"

My Qusetion : How does a pay cut affect the WTS Willingness to Sell)? of a supplier? Pay cut is an internal matter related to firm. It will help the firm to bring down the its cost but, how does it effect a decrease WTS( Willingness to Sell)?