urgent pls

Consider a short-run supply curve that can be described by the following equation where Q is the quantity of units supplied: Short-run Supply Curve: Q - 200 Given this information and holding everything else constant, how many of the following statements are true? I. This short-run supply curve is perfectly elastic since it extends vertically an infinite distance. II. This short-run supply curve is perfectly inelastic since suppliers are not at all price sensitive. III. A rightward shift in the demand curve for this product will increase total expenditure on this good. IV. A rightward shift in the demand curve for this product will cause a movement along the supply curve resulting in a higher price for the good and an increase in the quantity supplied of the good. O Three of these statements are true. O Two of these statements are true. O Four of these statements are true. One of these statements is true