1)) A 2-gallon container of disinfectant costs $10.56. What is the price per cup?
Since there are 16 cups in a gallon, there are 16*2 = <<16*2=32>>32 cups in 2 gallons.
Therefore, the price per cup is $10.56/32 cups = $0.33 per cup. Answer: \boxed{0.33}.