please answer this question, thank you!

Information '17 Flag question Question 1 Not yet answered Points out of 1.00 '7 Flag question Consider the following scenario, and answer questions 1-3. You are thinking of making your home more energy efficient by replacing some of the light bulbs with compact fluorescent bulbs and insulating part of all of your exterior walls. Each compact fluorescent light bulb costs $4 and saves you an average of $2 per year in energy costs, and each square foot of wall insulation costs $1 and saves you an average of $0.20 per year in energy costs. Your home has 60 light fittings and 1,100 square feet of uninsulated exterior wall. You can spend no more than $1 ,200 and would like to save as much per year in energy costs as possible. You are interested in how many compact fluorescent light bulbs and how many square feet of insulation you should purchase. Define x to be the number of compact fluorescent light bulbs and let y be square feet of insulation. Which of the following is the objective function that corresponds to this scenario? Select one: 0 a. 0.2x + 2y 0 b.x+4y o c.2x+0.20y O d.4x+y Question 2 Which of the following are the constraints for this problem? Select all that apply. Not yet answered Select one or more: Points out of 1.00 O a. x + 4y