Determine the taxpayer's gross income for tax purposes in each of the following situations: if an amount is zero, enter "0". gross income a. deb, a cash basis taxpayer, traded a corporate bond with accrued interest of $300 for corporate stock with a fair market value of $12,000 at the time of the exchange. deb's cost of the bond was $10,000. the value of the stock had decreased to $11,000 by the end of the year. $