can someone please show me a screnshot of their excel work before getting the final answer

On your 22nd birthday your uncle told you that in the current volatile economic climate you should read Capitalizing Astutely, a monthly journal. He tells you to choose. He would pay for the subscription annually. $89.99, beginning immediately or pay for a lifetime subscription of $1000. Assuming he can earn 3.2% on his funds and that the annual renewal rate will remain constant, how old will you be when the lifetime subscription is a better buy? (Hint: Use Excel, do not forget for prompt type, input "1")