The National Association of Home Builders provided data on the cost of the most popular home remodeling projects. Sample data on cost in thousands of dollars for two types of remodeling projects are as follows. Kitchen Master Bedroom Kitchen Master Bedroom 17.4 22.9 23.0 17.822.8 26.4 19.7 24.621.9 24.8 16.9 21.019.7 26.9 21.8 25.2 18.0 23,6A. Develop a point estimate of the difference between the population mean remodelingcosts for the two types of projects. B. Develop a 90% confidence interval for the difference between the two population means.