ファイナンス(英語)の問題
You are planning your retirement in 30 years. You currently have
$25,000 in bonds and $50,000 in shares. You plan to add $5,000 per year at the end of each of the next 30 years to your bond account. The stock account will earn an 11.5% return and the bond account will earn a 7.5% return. When you retire, you plan to withdraw an equal amount for each of the next 25 years at the end of each year and have nothing left. Additionally, when you retire you will transfer your money to an account that earns 6.75%. How much can you withdraw each year?
これを解けなくて困ってます。分かる方がいたら教えていただきたいです。