number 7, the answer is right below it but I don't know how to find the last three parts, amount payed per year is 14527.73$

33 Autonomenous Equatians 7 A loan of $200,000 is taken out over 20 years at an annual interest rate of 4%. Compute the (constant) loan repayment rate and the total interest paid. Also, find out how much sooner the loan would be repaid and what savings in interest would be achieved if the loan repayment rate were inereased by one half from the start. 8 A loan of $1,000 is taken out over 15 years at a annual rate of interest of (5/ the constant) repayment rate, Answers to Odd-Numbered Exercises 1 t 22.7. 3 t 1 -t (3/2))/ (In 8.09; T 80/17 4.7 (18/17)) 5 Q 2/65 (8/17)e /4 (16/65) 16 0.108749. 7 r 1,210.64/month; $90,554.60; 8.56 years earlier; $41,332.30