Terry plants corn. If she produces 100 bushels and her average variable cost per bushel is $5, total revenue is $900, and total fixed costs are $100. Answer the following questions: 1. Calculate the variable cost if she produces 100 bushels. 2. Calculate the total costs if she produces 100 bushels. 3. Calculate the average total costs if she produces 100 bushels. 4. Calculate Sheila's profit if she produces 100 pints