Please show your calculation. I don't know how to get the answer

Given the following information about a fully amortizing loan, calculate the lenders yield (rounded to the nearest tenth of a percent). Loan amount: $166,950, Term: 30 years, Interest rate: 8 %, Monthly Payment: $1,225.00, Discount points: 2.

A.7.7%

B. 8.0%

C. 8.2 %

D.10.0 %

Ans: C

Given the following information, calculate the effective borrowing cost (rounded to the nearest tenth of a percent). Loan amount: $166,950, Term: 30 years, Interest rate: 8 %, Monthly Payment: $1,225.00, Discount points: 2, Other Closing Expenses: $3,611.

A. 7.7%

B. 8.2%

C. 8.5%

D. 9.1%

Ans: C