Neegan Company has three product lines, A, B, and C. The following information is available: Sales VC FC-Traceable FC-Common $30,000 19,000 5,000 2,500 $19,000 11,500 4,500 6,000 $10,500 3,000 1,000 750 Prepare a segmented income statement. 12) Calculate the segment margin for A. 13) Calculate the segment margin for B. 14) Calculate the segment margin for C. 15) Calculate the operating income for the company in total. In a study designed to test the effectiveness of acupuncture for treating migraines, 142 subjects were treated with acupuncture and 80 subjects were given a sham treatment. The number of migraine attacks for the acupuncture treatment group had a mean of 1.8 and a standard deviation of 1.4. The number of migraine attacks for the sham treatment group had a mean of 1.6 standard deviation of 1.2. 1. Construct the 95% confidence interval estimate of the mean number of migraine attacks for those treated with acupuncture. 2. Construct the 95% confidence interval estimate of the mean number of migraine attacks for those given a sham treatment. 3. Compared to confidence intervals. What do this in results suggest about the effectiveness of acupuncture?