<BrownHorse/@BuyHorse(BrownHorse,15,500000)>
<WhiteHorse/@BuyHorse(WhiteHorse,40,20000000)>
<RedHorse/@BuyHorse(RedHorse3,52,90000000)>
Should be :
<BrownHorse/@BuyHorse(Horse1,15,500000)>
<WhiteHorse/@BuyHorse(Horse2,40,20000000)>
<RedHorse/@BuyHorse(Horse3,52,90000000)>
You might...