Based on the same fact pattern from the previous question $($also below$),$ what is the company$$s unlevered free cash flow $($FCF$)$ for the period, also referred to as Free Cash Flow to the Firm $($FCFF$)?$

EBITDA $$500$

Depreciation & Amortization $($D&A$)50$

Interest Expenses $30$

Taxes Rate $40\%$

Capital Expenditures $($CapEx$)120$

Change in Accounts Receivable $50$

Change in Inventory $30$

Change in Accounts Payable $(40)$

a$.$ $$110$

b$.$ $$160$

c$.$ $$180$

d$.$ $$240$