Sounds tough, but doable.
6 x $10,000 = $60,000
5 x $15,000 = $75,000
$60,000 + $75,000 = $135,000
4 x $25,000 = $100,000
$135,000 + $100,000 = $235,000
3 x $50,000 = $150,000
$150,000 + $235,000 = $385,000
2 x $75,000 = $150,000
$150,000 + $385,000 = $535,000
$535,000 + $100,000 = $635,000 -> $1,000,000