GMAT Word problem

I think it's a C

Revenues: 500,000
Costs= Labor+Materials
500,000-(L+M)>150,000?

1. L+M=3M=> L=2M
In this case, 500,000-3M>150,000? Going more in depth, we get -3M>-350,000 so M<116000> L
500,000- M> 2L This statement is also insufficient by itself as we do not know how much money was spent on materials or Labor.

The two statements taken together give:

L=2M so 500,000-3M>2M

500,000>5M => M<100,000 Judging by this, the cost of materials was less than 100k. Consequently, Labor was twice as much as Materials so L<200k
and you can answer the question.

You got me curious. Can you check the OA and let me know, please?

I will go for C.

from 1) L + M = 3M

Eq becomes
500,000 = L + M + P
= L + L/2 + P

from 2) P > L and we also know lesser the Labor charges greater the profit.
Lets assume Profit is just equal to L to get break point.
500,000 = L+L/2 + L = 5/2L
L = 200,000
But P > L
So P > 200,000> 150,000

The OA is indeed C. THanks for the explanation.

-A