On Sunday afternoon. a local restaurant offers two options: an all-you-can-eat salad bar special for $15, or customers can buy salad on a per-serving basis at a price of $3 per serving. Ana's willingness to pay for each serving of salad is given in the following table {For this problem, assume Ana can only consume salad in whole units, do NOT use a continuous linear demand curve) Use this information to answer the following questions. A. If Ana chooses to buy salad on a per-serving basis, how many servings of salad will she eat and how much total consumer surplus will she receive? (Work must be shown for full credit). B. If Ana chooses the all-you-can-eat option, how many servings of salad will she eat and how much total consumer surplus will she receive? [Work must be shown for full credit). C. In order to make herself as well off as possible, which option will Ana choose: the all-you-can-eat special or buying salad on a per-serving basis? Briey explain your reasoning