Answer:
$20,000 Increase
Step-by-step explanation:
Calculation for What is the effect on a firm's net working capital
Using this formula
Change in Net working capital=Increase in inventory+Increase in accounts receivable-Increase in accounts payable
Let plug in the formula
Change in Net working capital=$30,000 + $10,000 - $20,000
Change in Net working capital=$20,000 Increase
Therefore the effect on a firm's net working capital will be $20,000 Increase