ques 1&2 please. preferably through excel so i know how to use the functions

1 1 Eric wants to reach $1,364,700.00 on October 10, 2048 with an account that will earn 9.00% interest. How much must he contribute every month? Eric's first contribution will be today and his last contribution will be on September 10, 2048? 2. Justin borrowed $11,600.00 from his grandparents on October 10, 2014 with an interest rate of 4.00%. How much interest on interest did he accummulate last year