Given:
housing rent=$875
Housing renters insurance=$33
Credit : $190, $313, $30 and $50
Income is $5200 , $570
To calculate DTI,
DTI=Total monthly debt payment/Gross monthly income
Total monthly debt payment=875+33+190+313+30+50=1491
Gross income=5200+570=5770
The DTI ratio is 0.2584