ok I will take the previous bet regard the eagles with my 100
and will bet $50 on tonights game.

so....
bet 4 is $50 Essendon 1-39 @ $3.00 (sportingbet)

balance = $350
with possible collects on
west coast to win @ $1.65 x $100 ($165)
essendon 1-39 @ $3.00 x $50 ($150)

good luck all