1 quart (32 ounces) makes 32 diluted bottles of cleaning solution at $2.18 per quart— $69.98

4 quarts (128 ounces) make 128 bottles of cleaning solution at $1.01 per quart— $129.98

6 quarts (1/2 case) make 192 bottles of cleaning solution at $0.83 per quart. — $159.98