It reaches the lake at a minus level of 1290 ft., the depression continuing downwards to twice that depth in the bed of the Dead Sea.
putting a minus in front will mean it will go into the frame by that much.
The underwear connection is clearly considered a minus rather than a plus by The Twentieth Century Society.
Whether this is a plus or a minus for this game, well, that's up to you to decide.
There's a plus and a minus to the above formula.