PAANO MAG COMPUTE NG MONTHLY AMORTIZATION? ANO ANG FACTOR RATE?

Selling Price x Factor Rate = MA 

FACTOR RATE

6.375%Facto Rate
30yrs0.0062386990
25yrs0.0066741724
20yrs0.0073823231
15yrs 0.0086425036
10yrs 0.0112913003
5yrs 0.0195076517