Roberta makes decorative wooden boxes. The demand for her boxes and her total variable costs are shown below. Her total fixed cost is $15 per day. Price Boxes TVC ($/box) per day ($/day) 38 1 22 36 2 45 34 3 69 32 4 94 30 5 120 28 6 147 If Roberta produces her optimal number of boxes, her (profit/loss) A will be $