Once you have your Market, you need to use it as a guide to what sort of Wager needs to be made, if any.

SHEPPARTON Race 6

8 BAHMAN BALE $2.6
2 KEEP ME COVERED $3.2
5 SON OF LORIAN $6.5
3 KID OTMAR $15
1 PRINTER DELIGHT $25
4 ROYAL CONTESSA $25

Only 3 Chances of figuring here.
And only 2 of winning.

So in this case, a Win Bet is good if either of the top 2 selections are Overlays.
And an EXACTA is also a good bet.
The Exacta will be somewhere in this lot.
8,2 - 8,2,5