Can someone check my answers, please?

1. lily is planning on retiring in 20 years. _l_r_1__g_r_t;l_er__tp__ ensure that she will have enough money at retirement, she has decided today to start investing $3,000 every year for the next 20 years. lily can earn 5% on her investment. How much will lily have when she retires? Round your answer off to the nearest dollar. 104,158 2. Billy bob has been promised by his rich Aunt that he will receive $20,000 when he graduates from college in 14 years. The appropriate discount rate to be used is 4%. How much is the $20,000 to be received in fourteen years' worth today? Round your answer off to the nearest dollar. 11,549 When Billie Jean turns 18, she will be receiving $2,000 every year for the next 15 years from a mist fund that has been set up for her. How much are the $2,000 annual payments that she will be receiving over the next 15 years' worth today? Use a discount rate of 6%. Round your answer off to the nearest dollar. 20,585