need help with these two questions. Better show me the process. Thank you

2. Given a 10 year treasury bond with face value $100.00 and price of $72.00. What is the implied interest rate? (When entering your answer do not convert to percentage and round to the nearest thousandth) 3. What is the interest rate on a perpetuity that pays a $1,000.00 annual coupon payment, and costs $21,000.00. (When entering your answer do not convert to percentage and round to the nearest thousandth)