Stella predicted that she would sell 56 sculptures. She actually sold 30 sculptures. What are the values of a and b in the table below? Round to the nearest tenth if necessary. Percent Error Item Approximate value Exact value Error Absolute error Ratio Percent error Sculptures 56 30 a b a = StartFraction 26 over 56 EndFraction; b = 46.4 percent a = StartFraction 30 over 56 EndFraction; b = 53.6 percent a = StartFraction 26 over 30 EndFraction; b = 86.7 percent a = StartFraction 26 over 26 EndFraction; b = 100 percent