The minimum wage in the National Capital Region (NC) has risen from PhP 537 to PhP 750. Joel, a minimum-wage worker in a plastics manufacturing factory, decides to increase his gas consumption from 15 liters to 19 liters. Compute the income elasticity of demand and round off to up to two decimal places (1 point), and determine whether the demand for gas is income elastic, inelastic, or unit elastic (1 point)