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A program allows a 45% back-end DTI. The borrower's gross monthly income is $7,200 and her other monthly debts total $860. What is the most she can have as a total housing payment (PITIA)?
Maximum total debts = 45% x $7,200 = $3,240. Subtract other debts: $3,240 - $860 = $2,380 available for PITIA. $3,240 forgets to subtract the other debts; $2,236 uses a 43% limit instead of the program's 45%; $2,016 applies 28% to income. Source: 12 CFR 1026.43(c)(7); program DTI limits (as at 11 Oct 2026).
Forgetting to subtract existing debts from the total DTI allowance.
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