Larry and his wife Cuke have a mortgage of $$200,000$ at a rate of $3\mathrm{.}25\%($annual$)$ for $30$ years. How much is their current monthly mortgage payment?

Group of answer choices

$$541\mathrm{.}67$

$$1,405\mathrm{.}34$

$$870\mathrm{.}41$

$$328\mathrm{.}75$

Barbara and her husband Man.Atee have a mortgage of $$300,000$ for $30$ years at a rate of $3\mathrm{.}25\%($annual$).$ If they make a $$100$ extra principle payment each month, how much will they save in total interest over the life of the loan?

Group of answer choices

$$170,022\mathrm{.}82$

$$21,605\mathrm{.}63$

$$42,605\mathrm{.}63$

$$148,417\mathrm{.}19$