Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that “R > C” and “C ≤ E” definitely holds true?
C _ A _ E _ R1
<, ≤, =
2
≤, ≤, <
3
=, <, ≤
4
>, ≥, <
5
<, ≤, <