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 range+ c, j. C& q0 j7 n1 y+ m! S" v
from 35% to 42% of gross income.$ Z# z6 t! ?; t2 F
GDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.