At the beginning of his current tax year, David invests $12,840 in original issue U.S. Treasury bonds with a $10,000 face value that mature in exactly 20 years. David receives $580 in interest ( $290 every six months) from the Treasury bonds during the current year, and the yield to maturity on the bonds is 3.8 percent. Note: Round your intermediate calculations to the nearest whole dollar amount. ow much interest income will he report this year if he elects to amortize the bond premium