A new accountant, Costa Goodsold, put together a preliminary version of Medina Co.'s financial statements. Medina's Net Income was $500, its Depreciation Expense was $100, and its Cash Flow from Operations was $70. The CEO found an error that Costa made in computing straight-line Depreciation Expense, which should have been $50. What is Medina's Cash Flow from Operations after fixing this mistake? (you can ignore taxes)

$120

$20

$170

$450

$70