Answer:
$300 million.
Explanation:
Because company XYZ is an all-equity firm, so there is no interest expenses incurred by the firm. Free cashflow to firm is calculated as below:
Free cashflow to firm = Net income + Interest expense x (1 - Tax rate) + Depreciation - Working capital investment - Capital expenditure
= 370 + 0 x (1 - Tax rate) + 144 - 20 - 194
= 370 + 0 + 144 - 20 - 194
= 300