' 'If a stock was purchased for $3000 in January 2003 and is sold in June 2003 for $4000, what is the taxable result? O A. Business income of $1000 and taxable amount of $1000 0 B. Taxable capital gain of $1000 0 c. Capital gain of $1000 and taxable income of $500 It 0 D. Capital gain of$1000 and taxable income of $1000