In 2010 Casey made a taxable gif of $5 milion to both Stephanle and Lindo fa total of $10 milison in taxable gifts). Calculate the amount of gift tax due this year and Casey's unused applicable credit under the following aiternatives: (Refer to Exhibit 25-1 and Exhiblit25-21 Notec Enter your answers in dollars, not mililions of dollars. Leave no answer biank. Enter zero if applicable. Problem 25-49 Part a (Static) a. This year Casey made a taxabile git of 51 milion to Stephanie. Casey is not married, and the 2010 git was the only ather taxable gif he has ever made. b. This year Casey made a taxable gift of \$15 million to Stephanle. Casey is not married, and the 2010 gift was the only other taxable gitt he has ever made. c. This year Casey made a gitt worth $15 million to Stephanle, Casey mamied Helen last yeac, and they live in a common-law state. The 2010 gift was the only other taxable gift Casey or Heten has ever made. Casey and Helen elect to giftspint this yeae