Before a certain pop singer was famous, they decorated their apartment with commercially produced art from big box stores. After their income rose 1,000%, they preferred uniquely commissioned pieces and purchased 2,000% less commercial art. For this singer, the income elasticity of demand for commercial art is _____, and commercial art is a(n) _____ good. Question 28 options: 2; inferior 2; normal 1/2; inferior 1/2; normal