Sally spends $1,500 each month on her mortgage, mortgage insurance and property taxes. she has three credit cards with minimum monthly payments that total to $125.00 and a monthly car payment for $349.00. she currently brings in a gross monthly income of 3,750.00 from her job. calculate sally’s debt-to-income (dti) ratio. a. 40% b. 43% c. 49% d. 53%