Answer:
$90,000
Explanation:
Data provided in the question:
Net cash provided by operating activities = $430,000 
Average current liabilities = $300,000 
Average long-term liabilities = $200,000 
Dividends paid = $120,000 
Capital expenditures = $220,000 
Purchase of treasury stock = $22,000 
Payments of debt = $70,000 
Now,
Trent's Free cash flow 
= Net cash provided by operating activities - Capital expenditures - Dividends paid
= $430,000 - $220,000 - $120,000 
= $90,000