Sam's work does not have a 401K plan nor retirement plan. For 2011, Sam's adjusted gross income is $40,000 and he would like to contribute $1,500 to a traditional IRA. What is the last possible date that he could contribute $1,500 to a traditional IRA and still get a deduction on his 2011 tax return? Group of answer choices June 30, 2011 December 31, 2011 January 1, 2012 April 15, 2012 June 30, 2012