George and Weezy received $30,900 of Social Security benefits this year ($11,900 for George; $19,000 for Weezy). They also received $5,250 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?

(B) What is the amount to be included if George and Weezy file married separate and receive $9,650 of dividend income from stocks owned by George?

(C) What is the amount to be included in taxable income if George and Weezy file married joint and receive $34,000 of dividend income from stocks owned by George?

(D) What is the amount to be included in taxable income if George and Weezy file married joint and receive $17,000 of dividend income from stocks owned by George?

Please show work, thanks!