Based on the following values for income, what are the possible split points? [12,665, 15,432, 28,763, 34,876, 47,617, 54,987} 0 {14048, 22097, 31819, 41246, 51302] 0 {12665, 14048.5, 22097.5, 31819.5, 41246.5, 51302} 0 {14048.5, 22097.5, 31819.5, 41246.5, 51302} O {14048.5, 22097.5, 31819.5, 41246.5, 51302, 54987}