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# S* z' h$ V0 I- _" J6 e& C4 L( `
from 35% to 42% of gross income.! Q$ F) x4 k$ b6 G8 ^
GDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.