Your father gives you 100 shares of ABC stock on Dec. 31, 2006 worth $3,500 at the time of the gift. He paid $1,000 for the shares ( $10/ share) in 1998. On Dec. 31,2021 , you sell the ABC stock for $4,500 ( $45/ share). What is your taxable gain? There is no gain on the sale under current federal gift tax law. A $3,500 long term capital gain. A$2,000 long term capital gain. A $4,500 long term capital gain. A \$1,500 long term capital gain