Sure
Down payment
249,000×0.3=74,700
Principal
249,000−74,700=174,300
Total interest
Total paid-principle
25years=300months so
(1,018.94×300)−174,300
=131,382 this is total interest
intangible tax
249,000×0.004
=996
total cost of principal, interest, down payment, and intangible tax
74,700+174,300+131,382+996
=381,378....answer
Hope it helps