George and Weezy received $28,900 of Social Security benefits this year ($10,900 for George; $18,000 for Weezy). They also received $4,750 of interest from jointly owned City of Ranburne Bonds and dividend income. What amount of the Social Security benefits must George and Weezy include in their gross income under the following independent situations? (Do not round intermediate calculations. Round your final answers to the nearest whole dollar amount. Leave no answer blank. Enter zero if applicable.) Problem 5-67 Part d d. George and Weezy file married joint and receive $16,000 of dividend income from stocks owned by George. Amount to be included in gross income