The Delgados have a gross monthly income of $6,000. Monthly payments on personal loans total $500. Their bank limits the gross debt service ratio at 33% and the total debt service ratio at 42% a. Rounded to the nearest $100, what is the maximum 25-year mortgage loan for which they can qualify on the basis of their income? Assume monthly heating costs of $200 and property taxes of $220 per month. Current mortgage rates are 6.8% compounded semiannually. (Do not round the intermediate calculations.) Maximum b. Rounded to the nearest $100, what minimum down payment must they have to qualify for the maximum conventional mortgage (80% loan-to-value ratio) on a new home? (Do not round the intermediate calculations.) Minimum