Salad Machine

Cost: 5000 coins + Construction
Limit 1
Constant Ingredient: Tomato
Constant Ingredient: Green Lettuce

Green Salad
Sell Price: 282 coins
Products used: Cucumber
Profit: 60 coins (21.3%)

Onion Salad
Sell Price: 532 coins
Products used: Onion
Profit: 72 coins (13.5%)

Red Pepper Salad
Sell Price: 482 coins
Products used: Red Bell Pepper
Profit: 77 coins (16%)

Potato Salad
Sell Price: 372 coins
Products used: Potato
Profit: 77 coins (20.7%)

Peanut Salad
Sell Price: 437 coins
Products used: Peanut Oil
Profit: (257 coins 58.8% sans oil)
I cannot make this product, and cannot compute the cost/profit margin with the oil factored in. 

Natural Salad
Sell Price: 262 coins
Products used: Olive Oil
Profit: (82 coins 31.3% sans oil)
I cannot make this product, and cannot compute the cost/profit margin with the oil factored in. 

Bean Salad
Sell Price: 640 coins
Products used: Bean Oil
Profit: (460 coins 71.9% sans oil)
I cannot make this product, and cannot compute the cost/profit margin with the oil factored in.

Swiss Mushroom Salad
Sell Price: 498 coins
Products used: Mushroom
Profit: 78 coins (15.7%)

(The profit I give is based on what it costs to plant the initial crop used. If the items used to create a product are not from a crop, their cost isn't factored into the profit. It's as though I'm assuming the cost is incomparable (RC to coins) or that the item is "paid off").