answer both questions

9 2 points Which of the following is true about a perfectly competitive firm's demand curve? Mark all that apply. O It is perfectly elastic. It is always greater than marginal revenue. It is equal to its marginal revenue. O It has the same downward slope as the market demand. 4 1 point If there is a fixed cost for a firm, it must be true that its average fixed cost function O is always more than the firms average variable cost O will be declining as the amount produced increases will be fixed, since fixed costs don't change with the amount produced. OC will always lie above the firms marginal cost