Rule $1$: Applicant can borrow at $5\mathrm{.}5\%$ rate if all of the following are true:

Credit score is above $620$

Down payment is at least $10\%$

Job category is $1$ or higher

Employment of at least $1$ year

Annual income of at least $$15,000$

Debt to income ratio less than $10\%.$

Rule $2$: Applicant can borrow at $4\mathrm{.}5\%$ rate if all of the following are true:

Credit score is above $680$

Down payment of at least $8\%$

Job category is $2$ or higher

Employment of at least $2$ years

Annual income of at least $$30,000$

Debt to income ratio less than $20\%$