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 & o' X. G: {+ B. q, Pfrom 35% to 42% of gross income.7 }; T& b2 c; [0 L' W% U1 C4 t
GDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.