Hartzell Inc. had the following data for 2020, in millions: Net income = $600; after-tax operating income [EBIT (1-T)] = $700; and Total assets = $2,000. Information for 2021 is as follows: Net income = $825; after-tax operating income [EBIT (1-T)] = $1,250; and Total assets = $2,410. Assume the firm had no excess cash. How much free cash flow did the firm generate during 2021?

Group of answer choices

$750

$630

$698

$840

$848