For a study conducted by the research department of a pharmaceutical company, randomly selected individuals were asked to report the amount of money they spend annually on prescription allergy relief medication. The sample mean was found to be with a standard deviation of . A random sample of individuals was selected independently of the first sample. These individuals reported their annual spending on nonprescription allergy relief medication. The mean of the second sample was found to be with a standard deviation of . As the sample sizes were quite large, it was assumed that the respective population standard deviations of the spending for prescription and nonprescription allergy relief medication could be estimated as the respective sample standard deviation values given above. Construct a confidence interval for the difference spending on prescription allergy relief medication ( prescription allergy relief medication ( between the mean ) and the mean spending on non ). Then complete the table below.\\ What is the lower 90% confidence interval What is the upper 90% confidence interval