In 2022. Tony and Carol file a joint tax return and have taxable income of $25,000 that includes the sale of stock for $7,000 with a cost basis of $10,000 and a holding period of 15 months. What is the amount of federal capital gains tax on the sale of stock? Select one: a. $0 b. $400 C $600 d. $800 e. None of the above