TDSR(Total debt service ratio)=(payment of principal and interest on mortgage+property tax +heating costs+50% of condominium fees+payments on other personal loan)/grss income. TDSR guidelines Currently range7 d' q( P+ `7 D8 g6 g7 M# }- h5 X
from 35% to 42% of gross income. 5 j) i6 Y b4 d* o% `* `GDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.