What was the change in Provision (benefit) for income taxes between 2018 and 2019?
{"Sales": {"2019": "$  \u2014", "2018": "$  \u2014"}, "Cost of sales": {"2019": -901, "2018": -88}, "Total operating expense": {"2019": 1022, "2018": 96}, "Operating income (loss) from discontinued operations": {"2019": -121, "2018": -8}, "Other income (expense)": {"2019": 10895, "2018": -24}, "Income (loss) from discontinued operations before income taxes": {"2019": 10774, "2018": -32}, "Provision (benefit) for income taxes": {"2019": 2294, "2018": 6}, "Income (loss) from discontinued operations, net of income taxes": {"2019": 8480, "2018": -38}}
provision_for_income_taxes_2019 = df["Provision (benefit) for income taxes"]["2019"]
provision_for_income_taxes_2018 = df["Provision (benefit) for income taxes"]["2018"]
answer = provision_for_income_taxes_2019 - provision_for_income_taxes_2018