Can you check my answer, it seems wrong

Computing Present Values of Single Amounts and Annuities Refer to Tables 1 and 2 in Appendix A near the end of the book to compute the present value for each of the following amounts. Round answers to the nearest dollar. a. $160,000 received 10 years hence if the annual interest rate is: 1.10% compounded annually. $ 2. 10% compounded semiannually. $ 61,687 60,302 b. $6,000 received at the end of each year for the next eight years discounted at 8% compounded annually. $ 34,480 C. $1,200 received at the end of each six months for the next 15 years if the interest rate is 10% per year compounded semiannually. $ 18,447 d. $290,000 received 10 years hence discounted at 10% per year compounded annually. $ 111,808