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# h; W, E! i2 @8 P! h2 z1 g5 u! ^
from 35% to 42% of gross income. $ r% b+ p" ?; M, ^' X1 B \GDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.