Actually seems somewhat easy if you can nail your first 2 picks, no?
01......440/400 (-110)
02......840/420 (-200)
03....1260/420 (-300)
04....1680/420 (-400)
05....2100/420 (-500)
06....2520/420 (-600)
07....2940/420 (-700)
08....3360/420 (-800) = 3780