0.055(interest)×770,000(mortgage)= interest rate of:
$42,350
$770,000(mortgage)+$42,350(interest rate) = mortgage of:
$812,350.
30yrs×12months=
360months in 30years.
$812,350mortgage/360months=
$2,256.5277777... or round up to $2,256.53 monthly payments over the next 30yrs.