The amount you'll spend out of $1 billion daily and how many days it'll last you:
$1k ( ₦1.3M) = one million days ( 2739 years)
$10k ( ₦13M) = hundred thousand days ( 273 years)
$100k ( ₦137M) = Ten thousand days (27 years)
$1M ( ₦1.3B) = one thousand ( 2.7 years)