You are told that the income elasticity for skateboards is +1.5 . This means that

a 10-percent increase in income produces a 15-percent increase in consumption of skateboards. Skateboards are a normal luxury good.

a 10-percent increase in income produces a 15-percent increase in consumption of skateboards. Skateboards are an inferior good.

a 10-percent increase in income produces a 15-percent decrease in consumption of skateboards. Skateboards are an inferior good.

a 10-percent increase in the price of skateboards produces a 15- percent decrease in consumption of skateboards. Skateboards are a price elastic good.

a 10-percent increase in the price of skateboards produces a 15- percent decrease in consumption of skateboards. Skateboards are a price inelastic good.