In MS Excel, the expression A1 < = B1 returns
1
TRUE if A1 is less than B1 and FALSE if A1 is greater than B1
2
TRUE if A1 is equal to or greater than B1 and FALSE if A1 is less than B1
3
TRUE if A1 is equal to or less than B1 and FALSE if A1 is greater than B1
4
TRUE if A1 is not equal to B1 and FALSE if A1 is equal to B1