Calculating the monthly payment:
=1−(1+r)−nr×PV=1−(1+120.0745)−30×12120.0745×$335,000=$2,330.91
Where:
Present value of the loan (PV) = $335,000
Monthly interest rate (r)=120.0745
Number of monthly payments (n) = 30 x 12
Thus, the monthly payment is $2,330.91
Calculating the total cost of principal and interest after 30 years:
Total borrowing costs=Monthly payments×Total number of payments=$2,330.91×(30×12)=$839,127.50
Thus, the total borrowing cost is $839,127.50.
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