If demand for X is price elastic, which of the following are true?

X likely makes up a smaller percent of the consumer's income

X likely makes up a larger percent of the consumer's income

X likely has a greater number of substitutes

The percentage change in quantity demanded of X will be smaller than the percentage change in the price of X

The coefficient for price of X will be negative (where quantity demanded of X is a functional relationship of price of X)

X likely has a smaller number of substitutes

An increase in the price of X will result in lower total revenue

An increase in the price of X will result in higher total revenue

The coefficient for price of X will be positive (where quantity demanded of X is a functional relationship of price of X)

The percentage change in quantity demanded of X will be greater than the percentage change in the price of X

The demand curve for X will be more horizontal

The demand curve for X will be more vertical