The electrons identified by quantum numbers $$n$$ and $$l$$, (i) $$n=4, l=1$$, (ii) $$n=4, l=0$$, (iii) $$n=3, l=2$$, (iv) $$n=3, l=1$$ can be placed in order of increasing energy from lowest to highest as

A

$$(iv) < (ii) < (iii) < (i)$$

B

$$(ii) < (iv) < (i) < (iii)$$

C

$$(i) < (iii) < (ii) < (iv)$$

D

$$(iii) < (i) < (iv) < (ii)$$