Mike and Mary Jane Lee have a yearly income of ​$71 comma 128 and own a house worth ​$109 comma 000​, two cars worth a total of $ 19 comma 286 and furniture worth ​$9 comma 679. The house has a mortgage of ​$56 comma 936 and the cars have outstanding loans of ​$2 comma 538 each. Utility​ bills, totaling ​$170 for this​ month, have not been paid. Calculate the debt ratio for the Lee household.