Good sale prices?

[Dankshadow1001]

Im setting up shop and i want prices that makes it worth the effort while it still isnt too expensive. So im wondering, whats a good price for:
-16 melons
-32 Colored clay (Any color) (Currently i charge 45$)
-32 Hardened clay (Currently charge 40$)
-1 iron ingot
-1 gold ingot
-16 carrots/potatoes
-64 cobblestone
Currently i only sell clay but i want to expand. Need prices though...

[Migas]

Your own price idea is the best price you can desire for your items.

[FatherTimeKeeper]

-16 melons $5
-32 Colored clay (Any color) (Currently i charge 45$)  idk
-32 Hardened clay (Currently charge 40$) idk
-1 iron ingot  $10
-1 gold ingot  $10
-16 carrots/potatoes  $5
-64 cobblestone  $3.50

XD