Answer
Find out the what percent of her net income is her rent payment.
To prove
Formula

As given
from net earnings of $740 per month,
Lisa Jones must spend $200 for her portion of the rent on an apartment she shares with two friends .
Than
Part value = $200
Total value = $740
Put in the formula

solving
Percentage = 27 % (approx)
Therefore 27% of her net income is her rent payment .
Option (A) is correct .