The set of integers is closed under the operation of addition. A: Which equation illustrates this concept?B: Which statement correctly explains this concept?Select one answer for question A and one answer for question B.A: 2+27=29A: 34÷4=172A: 1−3=−2A: 2⋅6=12B: The sum of the integers 2 and 27 is the integer 29, which demonstrates that integers are closed under addition.B: The quotient of the integers 34 and 4 is the integer 172, which demonstrates that integers are closed under addition.B: The difference of the integers 1 and 3 is not an integer, −2, which does not demonstrate that integers are closed under addition.B: The product of the integers 2 and 6 is not an integer, 12, which does not demonstrate that integers are closed under addition.