A)
568,000.00
113,600.00
(20% down payment)
454,400.00
(amount of mortgage)
at 9.25% for 30 years (360 months)
rate = rate / 1,200 =
0.0077083333
Monthly Payment =
[0.0077083333
+
0.0077083333
/ (1.0077083333)^360 -1] * 454,400.00
Monthly Payment =
[0.0077083333
+
(0.0077083333
/
15.8688698943
-1)] * 454,400.00
Monthly Payment =
[0.0077083333
+
(0.0077083333
/
14.8688698943)] * 454,400.00
Monthly Payment =
[0.0077083333
+
(
0.0005184209
)] * 454,400.00
Monthly Payment =
0.0082267542 * 454,400.00
Monthly Payment =
3,738.24
B) For fifteen years, calculate this equation
Monthly Payment =
[0.0077083333
+
0.0077083333
/ (1.0077083333)^360 -1] * 454,400.00
Substituting 180 months for 360 months.