Answer:
Monthly paymenty for $ 997.954
Explanation:
We have to calcualte for the PTM of the mortgage for the first three years at which the rate is fixed:
[tex]PV \div \frac{1-(1+r)^{-time} }{rate} = C\\[/tex]
PV $150,000
time 360 (30 years x 12 months)
rate 0.005833333 (7% annual / 12 months)
[tex]150000 \div \frac{1-(1+0.005833)^{-360} }{0.005833} = C\\[/tex]
C $ 997.954