a) The required down payment
Down payment = Percentage of down payment x Condominium price
5% = 0.05

Answer: $3650
b) The amount of the mortgage
Loan amount = Condominium price - Down payment

Answer: $69350
c) The cost of one point
One point mean 1% of amount financed has to be paid at closing, so:
Cost of one point = Loan amount x 1%
And we have 1% = 0.01

Answer: $693.5