(Must) WALKOUT LOT : +30~ 40K 8 b' y( P1 }( {# r
(Must) Basement rear-facing wall, door and windows : +8~ 9K; s9 |) M6 [ e) W6 t& j" X4 l
(Optional) Rear-facing deck on mainfloor : +6~ 7K 1 G B6 z/ x& C. r(Optional) Basement finish with 2 bedrooms and 1 bath: : +30~ 50K