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 range5 K: h$ g# U: x0 ?8 O- q
from 35% to 42% of gross income. % Y- \+ N3 b" r5 K- Y/ oGDSR(gross debt service ratio)=(payment of principal and interest on mortgage+property taxes+heating costs+50% of condominium fees)/gross income.