3. Juanita has one side of a building left to paint. The dimensions of this rectangular side are 200 feet × 18 feet with a 40 feet × 12 feet garage door that does not need to be painted. The paint that Juanita will buy covers 400 square feet and costs $22 per gallon. Which of the following is correct? a. Juanita has 4,080 square feet of the building left to paint. b. If she spends $22, Juanita will only cover 480 square feet of the building. c. Juanita will use 9 gallons of paint to finish painting the building. d. At least 75% of the side of the building will be covered with 6 gallons of paint.