A Project That Increased Sales Was Accompanied by a $50,000

A project that increased sales was accompanied by a $50,000 increase in inventory,a $20,000 increase in accounts receivable,and a $25,000 increase in accounts payable.Assuming these amounts remain constant,by how much has net working capital increased?

A) $5,000
B) $25,000
C) $30,000
D) $45,000