Respuesta :

Answer:

Monthly payment = $908.99

(A) $125,862.32

Step-by-step explanation:

Given:

Present value = $150,000

Duration, n = 30 years = 30 × 12 = 360 months

Interest = 6.1% compounded monthly

or

Monthly interest, r = [tex]\frac{\textup{6.1}}{\textup{12}}[/tex] =  0.5083%

Now,

Monthly payments can be calculated using the formula

[tex]\textup{Present value}=\textup{Monthy payment}\times(\frac{1-(1+r)^{-n}}{r})[/tex]

thus,

[tex]\$\textup{150,000}=\textup{Monthy payment}\times(\frac{1-(1+0.005083)^{-360}}{0.005083})[/tex]

or

Monthly payment = $908.99

(A) unpaid balance after 10 years will be equal to the payment made in 20 years starting from the end of 10th year

thus,

n = 20 × 12 = 240

Unpaid balance = [tex]\textup{Monthy payment}\times(\frac{1-(1+r)^{-n}}{r})[/tex]

or

Unpaid balance = [tex]\textup{908.99}\times(\frac{1-(1+0.005083)^{-240}}{0.005083})[/tex]

or

Unpaid balance after 10 years = $125,862.32