https://docs.google.com/spreadsheets/d/1qkSjyEfwsVmHfC7J65jC4kvUEek6MxkiphYxu-7DjWY/edit#gid=0
copy the sheet if you want to adjust the numbers
https://docs.google.com/spreadsheets/d/1qkSjyEfwsVmHfC7J65jC4kvUEek6MxkiphYxu-7DjWY/edit#gid=0
copy the sheet if you want to adjust the numbers