Phil Armstrong earns a gross income of $5,355 per month. He has submitted an application for a fixed-rate mortgage with a monthly PITI of $1,492.Phil has other financial obligations totaling $625 per month. a.)What is his housing expense ratio? b.) What is his total obligations ratio? Solution A)housing expense ratio = 1492/5335 = 0.27966 B)his total obligations ratio = 625/5335 =0.11715.