It all depends on your situation. Consider:
| A | B | C | D | E | F | G | H | I | J | K | L | M |
---|
Chicken | Burned | BBQ | Chicken | Chicken | Raw | Ranch | | | | | | | |
Steak | Chicken | Raw | BBQ | | | | | | | | | | |
Chicken | Rare | Ranch | | | | | | | | | | | |
Raw | Chicken | Rare | BBQ | | | | | | | | | | |
Rare | Chicken | Burned | Ranch | | | | | | | | | | |
Burned | Chicken | Burned | BBQ | | | | | | | | | | |
Steak | Raw | Ranch | | | | | | | | | | | |
Ranch | Steak | Raw | BBQ | | | | | | | | | | |
BBQ | Steak | Rare | Ranch | | | | | | | | | | |
Steak | Rare | BBQ | | | | | | | | | | | |
Steak | Burned | Ranch | | | | | | | | | | | |
Steak | Burned | BBQ | | | | | | | | | | | |
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If the 3 dropdowns are all independent, you could have a lookup for each one to get the price and sum them up. You'd get the price for chicken from G1, for burned from G6, and BBQ from G10, then add them up.
If the prices are dependent on each other, you could have a combined table with all the combinations and the associated cost, then look that up. Row 6 in this case. You just need to design your layout to figure out what formula/setup works best for you.