What is the magnitude of the E-field due ONLY to q₄ and q₅ at the location of q₂? Note that this is only a component of the net E-field due to q₁, q₃, q₄, and q₅ at the location of q₂.

A. k Q/r²
B. 5k Q/r²
C. 3k Q/r²
D. 4k Q/r²